diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index b718c72c009b9..89d44baf5b413 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -800,6 +800,7 @@ namespace ts {
         let deferredGlobalESSymbolConstructorSymbol: Symbol | undefined;
         let deferredGlobalESSymbolType: ObjectType;
         let deferredGlobalTypedPropertyDescriptorType: GenericType;
+        let deferredGlobalAwaitedSymbol: Symbol | undefined;
         let deferredGlobalPromiseType: GenericType;
         let deferredGlobalPromiseLikeType: GenericType;
         let deferredGlobalPromiseConstructorSymbol: Symbol | undefined;
@@ -853,7 +854,6 @@ namespace ts {
         const flowNodeReachable: (boolean | undefined)[] = [];
         const potentialThisCollisions: Node[] = [];
         const potentialNewTargetCollisions: Node[] = [];
-        const awaitedTypeStack: number[] = [];
 
         const diagnostics = createDiagnosticCollection();
         const suggestionDiagnostics = createDiagnosticCollection();
@@ -11059,6 +11059,10 @@ namespace ts {
             return deferredGlobalESSymbolType || (deferredGlobalESSymbolType = getGlobalType("Symbol" as __String, /*arity*/ 0, reportErrors)) || emptyObjectType;
         }
 
+        function getGlobalAwaitedSymbol(reportErrors: boolean) {
+            return deferredGlobalAwaitedSymbol || (deferredGlobalAwaitedSymbol = getGlobalTypeSymbol("Awaited" as __String, reportErrors));
+        }
+
         function getGlobalPromiseType(reportErrors: boolean) {
             return deferredGlobalPromiseType || (deferredGlobalPromiseType = getGlobalType("Promise" as __String, /*arity*/ 1, reportErrors)) || emptyGenericType;
         }
@@ -25719,7 +25723,7 @@ namespace ts {
                     // Promise/A+ compatible implementation will always assimilate any foreign promise, so the
                     // return type of the body should be unwrapped to its awaited type, which we will wrap in
                     // the native Promise<T> type later in this function.
-                    returnType = checkAwaitedType(returnType, /*errorNode*/ func, Diagnostics.The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member);
+                    returnType = checkAwaitedType(returnType);
                 }
             }
             else if (isGenerator) { // Generator or AsyncGenerator function
@@ -25858,9 +25862,7 @@ namespace ts {
             const errorNode = node.expression || node;
             // A `yield*` expression effectively yields everything that its operand yields
             const yieldedType = node.asteriskToken ? checkIteratedTypeOrElementType(isAsync ? IterationUse.AsyncYieldStar : IterationUse.YieldStar, expressionType, sentType, errorNode) : expressionType;
-            return !isAsync ? yieldedType : getAwaitedType(yieldedType, errorNode, node.asteriskToken
-                ? Diagnostics.Type_of_iterated_elements_of_a_yield_Asterisk_operand_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member
-                : Diagnostics.Type_of_yield_operand_in_an_async_generator_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member);
+            return !isAsync ? yieldedType : getAwaitedType(yieldedType);
         }
 
         /**
@@ -25951,7 +25953,7 @@ namespace ts {
                         // Promise/A+ compatible implementation will always assimilate any foreign promise, so the
                         // return type of the body should be unwrapped to its awaited type, which should be wrapped in
                         // the native Promise<T> type by the caller.
-                        type = checkAwaitedType(type, func, Diagnostics.The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member);
+                        type = checkAwaitedType(type);
                     }
                     if (type.flags & TypeFlags.Never) {
                         hasReturnOfTypeNever = true;
@@ -26155,7 +26157,7 @@ namespace ts {
                     const returnOrPromisedType = getReturnOrPromisedType(returnType, functionFlags);
                     if (returnOrPromisedType) {
                         if ((functionFlags & FunctionFlags.AsyncGenerator) === FunctionFlags.Async) { // Async function
-                            const awaitedType = checkAwaitedType(exprType, node.body, Diagnostics.The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member);
+                            const awaitedType = checkAwaitedType(exprType);
                             checkTypeAssignableToAndOptionallyElaborate(awaitedType, returnOrPromisedType, node.body, node.body);
                         }
                         else { // Normal function
@@ -26324,7 +26326,7 @@ namespace ts {
             }
 
             const operandType = checkExpression(node.expression);
-            const awaitedType = checkAwaitedType(operandType, node, Diagnostics.Type_of_await_operand_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member);
+            const awaitedType = checkAwaitedType(operandType);
             if (awaitedType === operandType && awaitedType !== errorType && !(operandType.flags & TypeFlags.AnyOrUnknown)) {
                 addErrorOrSuggestion(/*isError*/ false, createDiagnosticForNode(node, Diagnostics.await_has_no_effect_on_the_type_of_this_expression));
             }
@@ -28830,9 +28832,9 @@ namespace ts {
             }
         }
 
-        function getAwaitedTypeOfPromise(type: Type, errorNode?: Node, diagnosticMessage?: DiagnosticMessage, arg0?: string | number): Type | undefined {
+        function getAwaitedTypeOfPromise(type: Type, errorNode?: Node): Type | undefined {
             const promisedType = getPromisedTypeOfPromise(type, errorNode);
-            return promisedType && getAwaitedType(promisedType, errorNode, diagnosticMessage, arg0);
+            return promisedType && getAwaitedType(promisedType);
         }
 
         /**
@@ -28900,12 +28902,12 @@ namespace ts {
          * Promise-like type; otherwise, it is the type of the expression. This is used to reflect
          * The runtime behavior of the `await` keyword.
          */
-        function checkAwaitedType(type: Type, errorNode: Node, diagnosticMessage: DiagnosticMessage, arg0?: string | number): Type {
-            const awaitedType = getAwaitedType(type, errorNode, diagnosticMessage, arg0);
+        function checkAwaitedType(type: Type): Type {
+            const awaitedType = getAwaitedType(type);
             return awaitedType || errorType;
         }
 
-        function getAwaitedType(type: Type, errorNode?: Node, diagnosticMessage?: DiagnosticMessage, arg0?: string | number): Type | undefined {
+        function getAwaitedType(type: Type): Type | undefined {
             const typeAsAwaitable = <PromiseOrAwaitableType>type;
             if (typeAsAwaitable.awaitedTypeOfType) {
                 return typeAsAwaitable.awaitedTypeOfType;
@@ -28915,95 +28917,10 @@ namespace ts {
                 return typeAsAwaitable.awaitedTypeOfType = type;
             }
 
-            if (type.flags & TypeFlags.Union) {
-                let types: Type[] | undefined;
-                for (const constituentType of (<UnionType>type).types) {
-                    types = append<Type>(types, getAwaitedType(constituentType, errorNode, diagnosticMessage, arg0));
-                }
-
-                if (!types) {
-                    return undefined;
-                }
-
-                return typeAsAwaitable.awaitedTypeOfType = getUnionType(types);
-            }
-
-            const promisedType = getPromisedTypeOfPromise(type);
-            if (promisedType) {
-                if (type.id === promisedType.id || awaitedTypeStack.indexOf(promisedType.id) >= 0) {
-                    // Verify that we don't have a bad actor in the form of a promise whose
-                    // promised type is the same as the promise type, or a mutually recursive
-                    // promise. If so, we return undefined as we cannot guess the shape. If this
-                    // were the actual case in the JavaScript, this Promise would never resolve.
-                    //
-                    // An example of a bad actor with a singly-recursive promise type might
-                    // be:
-                    //
-                    //  interface BadPromise {
-                    //      then(
-                    //          onfulfilled: (value: BadPromise) => any,
-                    //          onrejected: (error: any) => any): BadPromise;
-                    //  }
-                    // The above interface will pass the PromiseLike check, and return a
-                    // promised type of `BadPromise`. Since this is a self reference, we
-                    // don't want to keep recursing ad infinitum.
-                    //
-                    // An example of a bad actor in the form of a mutually-recursive
-                    // promise type might be:
-                    //
-                    //  interface BadPromiseA {
-                    //      then(
-                    //          onfulfilled: (value: BadPromiseB) => any,
-                    //          onrejected: (error: any) => any): BadPromiseB;
-                    //  }
-                    //
-                    //  interface BadPromiseB {
-                    //      then(
-                    //          onfulfilled: (value: BadPromiseA) => any,
-                    //          onrejected: (error: any) => any): BadPromiseA;
-                    //  }
-                    //
-                    if (errorNode) {
-                        error(errorNode, Diagnostics.Type_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method);
-                    }
-                    return undefined;
-                }
-
-                // Keep track of the type we're about to unwrap to avoid bad recursive promise types.
-                // See the comments above for more information.
-                awaitedTypeStack.push(type.id);
-                const awaitedType = getAwaitedType(promisedType, errorNode, diagnosticMessage, arg0);
-                awaitedTypeStack.pop();
-
-                if (!awaitedType) {
-                    return undefined;
-                }
-
-                return typeAsAwaitable.awaitedTypeOfType = awaitedType;
-            }
-
-            // The type was not a promise, so it could not be unwrapped any further.
-            // As long as the type does not have a callable "then" property, it is
-            // safe to return the type; otherwise, an error will be reported in
-            // the call to getNonThenableType and we will return undefined.
-            //
-            // An example of a non-promise "thenable" might be:
-            //
-            //  await { then(): void {} }
-            //
-            // The "thenable" does not match the minimal definition for a promise. When
-            // a Promise/A+-compatible or ES6 promise tries to adopt this value, the promise
-            // will never settle. We treat this as an error to help flag an early indicator
-            // of a runtime problem. If the user wants to return this value from an async
-            // function, they would need to wrap it in some other value. If they want it to
-            // be treated as a promise, they can cast to <any>.
-            const thenFunction = getTypeOfPropertyOfType(type, "then" as __String);
-            if (thenFunction && getSignaturesOfType(thenFunction, SignatureKind.Call).length > 0) {
-                if (errorNode) {
-                    if (!diagnosticMessage) return Debug.fail();
-                    error(errorNode, diagnosticMessage, arg0);
-                }
-                return undefined;
+            const symbol = getGlobalAwaitedSymbol(/*reportErrors*/ false);
+            if (symbol) {
+                const result = getTypeAliasInstantiation(symbol, [type]) as PromiseOrAwaitableType;
+                return typeAsAwaitable.awaitedTypeOfType = result.awaitedTypeOfType = result;
             }
 
             return typeAsAwaitable.awaitedTypeOfType = type;
@@ -29109,7 +29026,7 @@ namespace ts {
                     return;
                 }
             }
-            checkAwaitedType(returnType, node, Diagnostics.The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member);
+            checkAwaitedType(returnType);
         }
 
         /** Check a decorator */
@@ -30699,13 +30616,13 @@ namespace ts {
             return iterationTypes === noIterationTypes ? undefined : iterationTypes;
         }
 
-        function getAsyncFromSyncIterationTypes(iterationTypes: IterationTypes, errorNode: Node | undefined) {
+        function getAsyncFromSyncIterationTypes(iterationTypes: IterationTypes) {
             if (iterationTypes === noIterationTypes) return noIterationTypes;
             if (iterationTypes === anyIterationTypes) return anyIterationTypes;
             const { yieldType, returnType, nextType } = iterationTypes;
             return createIterationTypes(
-                getAwaitedType(yieldType, errorNode) || anyType,
-                getAwaitedType(returnType, errorNode) || anyType,
+                getAwaitedType(yieldType) || anyType,
+                getAwaitedType(returnType) || anyType,
                 nextType);
         }
 
@@ -30741,7 +30658,7 @@ namespace ts {
                     if (use & IterationUse.AllowsAsyncIterablesFlag) {
                         // for a sync iterable in an async context, only use the cached types if they are valid.
                         if (iterationTypes !== noIterationTypes) {
-                            return (type as IterableOrIteratorType).iterationTypesOfAsyncIterable = getAsyncFromSyncIterationTypes(iterationTypes, errorNode);
+                            return (type as IterableOrIteratorType).iterationTypesOfAsyncIterable = getAsyncFromSyncIterationTypes(iterationTypes);
                         }
                     }
                     else {
@@ -30762,7 +30679,7 @@ namespace ts {
                 if (iterationTypes !== noIterationTypes) {
                     if (use & IterationUse.AllowsAsyncIterablesFlag) {
                         return (type as IterableOrIteratorType).iterationTypesOfAsyncIterable = iterationTypes
-                            ? getAsyncFromSyncIterationTypes(iterationTypes, errorNode)
+                            ? getAsyncFromSyncIterationTypes(iterationTypes)
                             : noIterationTypes;
                     }
                     else {
@@ -31170,7 +31087,7 @@ namespace ts {
                 else if (getReturnTypeFromAnnotation(func)) {
                     const unwrappedReturnType = unwrapReturnType(returnType, functionFlags);
                     const unwrappedExprType = functionFlags & FunctionFlags.Async
-                        ? checkAwaitedType(exprType, node, Diagnostics.The_return_type_of_an_async_function_must_either_be_a_valid_promise_or_must_not_contain_a_callable_then_member)
+                        ? checkAwaitedType(exprType)
                         : exprType;
                     if (unwrappedReturnType) {
                         // If the function has a return type, but promisedType is
diff --git a/src/harness/fourslash.ts b/src/harness/fourslash.ts
index f668037861798..4569d3f0d4faa 100644
--- a/src/harness/fourslash.ts
+++ b/src/harness/fourslash.ts
@@ -4694,6 +4694,7 @@ namespace FourSlashInterface {
             typeEntry("PropertyDecorator"),
             typeEntry("MethodDecorator"),
             typeEntry("ParameterDecorator"),
+            typeEntry("Awaited"),
             typeEntry("PromiseConstructorLike"),
             interfaceEntry("PromiseLike"),
             interfaceEntry("Promise"),
diff --git a/src/lib/es2015.iterable.d.ts b/src/lib/es2015.iterable.d.ts
index 937f99d3409a4..4676374fd2014 100644
--- a/src/lib/es2015.iterable.d.ts
+++ b/src/lib/es2015.iterable.d.ts
@@ -203,15 +203,7 @@ interface PromiseConstructor {
      * @param values An array of Promises.
      * @returns A new Promise.
      */
-    all<TAll>(values: Iterable<TAll | PromiseLike<TAll>>): Promise<TAll[]>;
-
-    /**
-     * Creates a Promise that is resolved or rejected when any of the provided Promises are resolved
-     * or rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    race<T>(values: Iterable<T | PromiseLike<T>>): Promise<T>;
+    all<TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>;
 }
 
 declare namespace Reflect {
diff --git a/src/lib/es2015.promise.d.ts b/src/lib/es2015.promise.d.ts
index 45b0fa5dc59d9..a34da9f949437 100644
--- a/src/lib/es2015.promise.d.ts
+++ b/src/lib/es2015.promise.d.ts
@@ -18,87 +18,7 @@ interface PromiseConstructor {
      * @param values An array of Promises.
      * @returns A new Promise.
      */
-    all<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all of the provided Promises
-     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    all<T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all of the provided Promises
-     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    all<T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all of the provided Promises
-     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    all<T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[T1, T2, T3, T4, T5, T6, T7]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all of the provided Promises
-     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    all<T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[T1, T2, T3, T4, T5, T6]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all of the provided Promises
-     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    all<T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>]): Promise<[T1, T2, T3, T4, T5]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all of the provided Promises
-     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    all<T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>]): Promise<[T1, T2, T3, T4]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all of the provided Promises
-     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    all<T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[T1, T2, T3]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all of the provided Promises
-     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    all<T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[T1, T2]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all of the provided Promises
-     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    all<T>(values: readonly (T | PromiseLike<T>)[]): Promise<T[]>;
-
-    /**
-     * Creates a Promise that is resolved or rejected when any of the provided Promises are resolved
-     * or rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    race<T>(values: readonly T[]): Promise<T extends PromiseLike<infer U> ? U : T>;
+    all<T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]> }>;
 
     /**
      * Creates a Promise that is resolved or rejected when any of the provided Promises are resolved
@@ -106,7 +26,7 @@ interface PromiseConstructor {
      * @param values An iterable of Promises.
      * @returns A new Promise.
      */
-    race<T>(values: Iterable<T>): Promise<T extends PromiseLike<infer U> ? U : T>;
+    race<T>(values: Iterable<T>): Promise<Awaited<T>>;
 
     /**
      * Creates a new rejected promise for the provided reason.
@@ -120,10 +40,10 @@ interface PromiseConstructor {
      * @param value A promise.
      * @returns A promise whose internal state matches the provided promise.
      */
-    resolve<T>(value: T | PromiseLike<T>): Promise<T>;
+    resolve<T>(value: T): Promise<Awaited<T>>;
 
     /**
-     * Creates a new resolved promise .
+     * Creates a new resolved promise.
      * @returns A resolved promise.
      */
     resolve(): Promise<void>;
diff --git a/src/lib/es2018.asyncgenerator.d.ts b/src/lib/es2018.asyncgenerator.d.ts
index f6966264c8be4..a13ff0454376a 100644
--- a/src/lib/es2018.asyncgenerator.d.ts
+++ b/src/lib/es2018.asyncgenerator.d.ts
@@ -2,9 +2,9 @@
 
 interface AsyncGenerator<T = unknown, TReturn = any, TNext = unknown> extends AsyncIterator<T, TReturn, TNext> {
     // NOTE: 'next' is defined using a tuple to ensure we report the correct assignability errors in all places.
-    next(...args: [] | [TNext]): Promise<IteratorResult<T, TReturn>>;
-    return(value: TReturn | PromiseLike<TReturn>): Promise<IteratorResult<T, TReturn>>;
-    throw(e: any): Promise<IteratorResult<T, TReturn>>;
+    next(...args: [] | [TNext]): Promise<IteratorResult<T, Awaited<TReturn>>>;
+    return(value: TReturn): Promise<IteratorResult<T, Awaited<TReturn>>>;
+    throw(e: any): Promise<IteratorResult<T, Awaited<TReturn>>>;
     [Symbol.asyncIterator](): AsyncGenerator<T, TReturn, TNext>;
 }
 
diff --git a/src/lib/es2018.asynciterable.d.ts b/src/lib/es2018.asynciterable.d.ts
index 19a31c72ca4a9..7aa1ca2abb912 100644
--- a/src/lib/es2018.asynciterable.d.ts
+++ b/src/lib/es2018.asynciterable.d.ts
@@ -11,9 +11,9 @@ interface SymbolConstructor {
 
 interface AsyncIterator<T, TReturn = any, TNext = undefined> {
     // NOTE: 'next' is defined using a tuple to ensure we report the correct assignability errors in all places.
-    next(...args: [] | [TNext]): Promise<IteratorResult<T, TReturn>>;
-    return?(value?: TReturn | PromiseLike<TReturn>): Promise<IteratorResult<T, TReturn>>;
-    throw?(e?: any): Promise<IteratorResult<T, TReturn>>;
+    next(...args: [] | [TNext]): Promise<IteratorResult<T, Awaited<TReturn>>>;
+    return?(value?: TReturn): Promise<IteratorResult<T, Awaited<TReturn>>>;
+    throw?(e?: any): Promise<IteratorResult<T, Awaited<TReturn>>>;
 }
 
 interface AsyncIterable<T> {
@@ -22,4 +22,4 @@ interface AsyncIterable<T> {
 
 interface AsyncIterableIterator<T> extends AsyncIterator<T> {
     [Symbol.asyncIterator](): AsyncIterableIterator<T>;
-}
\ No newline at end of file
+}
diff --git a/src/lib/es5.d.ts b/src/lib/es5.d.ts
index 8c11be587a10f..b4671b3f438fd 100644
--- a/src/lib/es5.d.ts
+++ b/src/lib/es5.d.ts
@@ -1378,6 +1378,12 @@ declare type PropertyDecorator = (target: Object, propertyKey: string | symbol)
 declare type MethodDecorator = <T>(target: Object, propertyKey: string | symbol, descriptor: TypedPropertyDescriptor<T>) => TypedPropertyDescriptor<T> | void;
 declare type ParameterDecorator = (target: Object, propertyKey: string | symbol, parameterIndex: number) => void;
 
+// The undefined case is for strictNullChecks false, in which case
+// undefined extends PromiseLike<infer U> is true, which would otherwise
+// make Awaited<undefined> -> unknown. When strictNullChecks is false
+// and T is undefined, should infer U be undefined, instead of unknown?
+type Awaited<T> = T extends undefined ? T : T extends PromiseLike<infer U> ? U : T;
+
 declare type PromiseConstructorLike = new <T>(executor: (resolve: (value?: T | PromiseLike<T>) => void, reject: (reason?: any) => void) => void) => PromiseLike<T>;
 
 interface PromiseLike<T> {
@@ -1387,7 +1393,7 @@ interface PromiseLike<T> {
      * @param onrejected The callback to execute when the Promise is rejected.
      * @returns A Promise for the completion of which ever callback is executed.
      */
-    then<TResult1 = T, TResult2 = never>(onfulfilled?: ((value: T) => TResult1 | PromiseLike<TResult1>) | undefined | null, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | undefined | null): PromiseLike<TResult1 | TResult2>;
+    then<TResult1 = T, TResult2 = never>(onfulfilled?: ((value: T) => TResult1) | null, onrejected?: ((reason: any) => TResult2) | null): PromiseLike<Awaited<TResult1 | TResult2>>;
 }
 
 /**
@@ -1400,14 +1406,14 @@ interface Promise<T> {
      * @param onrejected The callback to execute when the Promise is rejected.
      * @returns A Promise for the completion of which ever callback is executed.
      */
-    then<TResult1 = T, TResult2 = never>(onfulfilled?: ((value: T) => TResult1 | PromiseLike<TResult1>) | undefined | null, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | undefined | null): Promise<TResult1 | TResult2>;
+    then<TResult1 = T, TResult2 = never>(onfulfilled?: ((value: T) => TResult1) | null, onrejected?: ((reason: any) => TResult2) | null): Promise<Awaited<TResult1 | TResult2>>;
 
     /**
      * Attaches a callback for only the rejection of the Promise.
      * @param onrejected The callback to execute when the Promise is rejected.
      * @returns A Promise for the completion of the callback.
      */
-    catch<TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | undefined | null): Promise<T | TResult>;
+    catch<TResult = never>(onrejected?: ((reason: any) => TResult) | null): Promise<T | Awaited<TResult>>;
 }
 
 interface ArrayLike<T> {
diff --git a/tests/baselines/reference/asyncArrowFunction11_es5.types b/tests/baselines/reference/asyncArrowFunction11_es5.types
index 7fd9d53af7228..9e2c406ea1a11 100644
--- a/tests/baselines/reference/asyncArrowFunction11_es5.types
+++ b/tests/baselines/reference/asyncArrowFunction11_es5.types
@@ -11,9 +11,9 @@ class A {
         await Promise.resolve();
 >await Promise.resolve() : void
 >Promise.resolve() : Promise<void>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 
         const obj = { ["a"]: () => this }; // computed property name after `await` triggers case
 >obj : { a: () => this; }
diff --git a/tests/baselines/reference/asyncArrowFunction5_es2017.errors.txt b/tests/baselines/reference/asyncArrowFunction5_es2017.errors.txt
index 26601467324e6..178d283587fdb 100644
--- a/tests/baselines/reference/asyncArrowFunction5_es2017.errors.txt
+++ b/tests/baselines/reference/asyncArrowFunction5_es2017.errors.txt
@@ -16,7 +16,7 @@ tests/cases/conformance/async/es2017/asyncArrowFunction/asyncArrowFunction5_es20
 !!! error TS1005: ',' expected.
                              ~~~~~~~
 !!! error TS2403: Subsequent variable declarations must have the same type.  Variable 'Promise' must be of type 'PromiseConstructor', but here has type 'any'.
-!!! related TS6203 /.ts/lib.es2015.promise.d.ts:152:13: 'Promise' was also declared here.
+!!! related TS6203 /.ts/lib.es2015.promise.d.ts:72:13: 'Promise' was also declared here.
                                     ~
 !!! error TS1005: ',' expected.
                                            ~~
diff --git a/tests/baselines/reference/asyncArrowFunction5_es5.errors.txt b/tests/baselines/reference/asyncArrowFunction5_es5.errors.txt
index cf82d765a566a..6960eeb5fd9a0 100644
--- a/tests/baselines/reference/asyncArrowFunction5_es5.errors.txt
+++ b/tests/baselines/reference/asyncArrowFunction5_es5.errors.txt
@@ -16,7 +16,7 @@ tests/cases/conformance/async/es5/asyncArrowFunction/asyncArrowFunction5_es5.ts(
 !!! error TS1005: ',' expected.
                              ~~~~~~~
 !!! error TS2403: Subsequent variable declarations must have the same type.  Variable 'Promise' must be of type 'PromiseConstructor', but here has type 'any'.
-!!! related TS6203 /.ts/lib.es2015.promise.d.ts:152:13: 'Promise' was also declared here.
+!!! related TS6203 /.ts/lib.es2015.promise.d.ts:72:13: 'Promise' was also declared here.
                                     ~
 !!! error TS1005: ',' expected.
                                            ~~
diff --git a/tests/baselines/reference/asyncArrowFunction5_es6.errors.txt b/tests/baselines/reference/asyncArrowFunction5_es6.errors.txt
index 909efc3c97eec..69d55e2a264a0 100644
--- a/tests/baselines/reference/asyncArrowFunction5_es6.errors.txt
+++ b/tests/baselines/reference/asyncArrowFunction5_es6.errors.txt
@@ -16,7 +16,7 @@ tests/cases/conformance/async/es6/asyncArrowFunction/asyncArrowFunction5_es6.ts(
 !!! error TS1005: ',' expected.
                              ~~~~~~~
 !!! error TS2403: Subsequent variable declarations must have the same type.  Variable 'Promise' must be of type 'PromiseConstructor', but here has type 'any'.
-!!! related TS6203 /.ts/lib.es2015.promise.d.ts:152:13: 'Promise' was also declared here.
+!!! related TS6203 /.ts/lib.es2015.promise.d.ts:72:13: 'Promise' was also declared here.
                                     ~
 !!! error TS1005: ',' expected.
                                            ~~
diff --git a/tests/baselines/reference/asyncArrowFunction9_es2017.errors.txt b/tests/baselines/reference/asyncArrowFunction9_es2017.errors.txt
index 0be88de28681a..2ea9d6031769f 100644
--- a/tests/baselines/reference/asyncArrowFunction9_es2017.errors.txt
+++ b/tests/baselines/reference/asyncArrowFunction9_es2017.errors.txt
@@ -16,7 +16,7 @@ tests/cases/conformance/async/es2017/asyncArrowFunction/asyncArrowFunction9_es20
 !!! error TS1005: ',' expected.
                                           ~~~~~~~
 !!! error TS2403: Subsequent variable declarations must have the same type.  Variable 'Promise' must be of type 'PromiseConstructor', but here has type 'any'.
-!!! related TS6203 /.ts/lib.es2015.promise.d.ts:152:13: 'Promise' was also declared here.
+!!! related TS6203 /.ts/lib.es2015.promise.d.ts:72:13: 'Promise' was also declared here.
                                                  ~
 !!! error TS1005: ',' expected.
                                                         ~~
diff --git a/tests/baselines/reference/asyncArrowFunction9_es5.errors.txt b/tests/baselines/reference/asyncArrowFunction9_es5.errors.txt
index 085b3b50884b7..fbe29eeb433ba 100644
--- a/tests/baselines/reference/asyncArrowFunction9_es5.errors.txt
+++ b/tests/baselines/reference/asyncArrowFunction9_es5.errors.txt
@@ -16,7 +16,7 @@ tests/cases/conformance/async/es5/asyncArrowFunction/asyncArrowFunction9_es5.ts(
 !!! error TS1005: ',' expected.
                                           ~~~~~~~
 !!! error TS2403: Subsequent variable declarations must have the same type.  Variable 'Promise' must be of type 'PromiseConstructor', but here has type 'any'.
-!!! related TS6203 /.ts/lib.es2015.promise.d.ts:152:13: 'Promise' was also declared here.
+!!! related TS6203 /.ts/lib.es2015.promise.d.ts:72:13: 'Promise' was also declared here.
                                                  ~
 !!! error TS1005: ',' expected.
                                                         ~~
diff --git a/tests/baselines/reference/asyncArrowFunction9_es6.errors.txt b/tests/baselines/reference/asyncArrowFunction9_es6.errors.txt
index 6949aad5cea0c..8fa44422f0a3d 100644
--- a/tests/baselines/reference/asyncArrowFunction9_es6.errors.txt
+++ b/tests/baselines/reference/asyncArrowFunction9_es6.errors.txt
@@ -16,7 +16,7 @@ tests/cases/conformance/async/es6/asyncArrowFunction/asyncArrowFunction9_es6.ts(
 !!! error TS1005: ',' expected.
                                           ~~~~~~~
 !!! error TS2403: Subsequent variable declarations must have the same type.  Variable 'Promise' must be of type 'PromiseConstructor', but here has type 'any'.
-!!! related TS6203 /.ts/lib.es2015.promise.d.ts:152:13: 'Promise' was also declared here.
+!!! related TS6203 /.ts/lib.es2015.promise.d.ts:72:13: 'Promise' was also declared here.
                                                  ~
 !!! error TS1005: ',' expected.
                                                         ~~
diff --git a/tests/baselines/reference/asyncArrowFunctionCapturesThis_es2017.types b/tests/baselines/reference/asyncArrowFunctionCapturesThis_es2017.types
index 57f59302bb5bc..93e3136c139b5 100644
--- a/tests/baselines/reference/asyncArrowFunctionCapturesThis_es2017.types
+++ b/tests/baselines/reference/asyncArrowFunctionCapturesThis_es2017.types
@@ -6,9 +6,9 @@ class C {
 >method : () => void
 
       var fn = async () => await this;      
->fn : () => Promise<this>
->async () => await this : () => Promise<this>
->await this : this
+>fn : () => Promise<Awaited<this>>
+>async () => await this : () => Promise<Awaited<this>>
+>await this : Awaited<this>
 >this : this
    }
 }
diff --git a/tests/baselines/reference/asyncArrowFunctionCapturesThis_es5.types b/tests/baselines/reference/asyncArrowFunctionCapturesThis_es5.types
index da378ee2718f9..90f89654c0518 100644
--- a/tests/baselines/reference/asyncArrowFunctionCapturesThis_es5.types
+++ b/tests/baselines/reference/asyncArrowFunctionCapturesThis_es5.types
@@ -6,9 +6,9 @@ class C {
 >method : () => void
 
       var fn = async () => await this;
->fn : () => Promise<this>
->async () => await this : () => Promise<this>
->await this : this
+>fn : () => Promise<Awaited<this>>
+>async () => await this : () => Promise<Awaited<this>>
+>await this : Awaited<this>
 >this : this
    }
 }
diff --git a/tests/baselines/reference/asyncArrowFunctionCapturesThis_es6.types b/tests/baselines/reference/asyncArrowFunctionCapturesThis_es6.types
index 5386a956ada9a..3b77fc642e4a2 100644
--- a/tests/baselines/reference/asyncArrowFunctionCapturesThis_es6.types
+++ b/tests/baselines/reference/asyncArrowFunctionCapturesThis_es6.types
@@ -6,9 +6,9 @@ class C {
 >method : () => void
 
       var fn = async () => await this;      
->fn : () => Promise<this>
->async () => await this : () => Promise<this>
->await this : this
+>fn : () => Promise<Awaited<this>>
+>async () => await this : () => Promise<Awaited<this>>
+>await this : Awaited<this>
 >this : this
    }
 }
diff --git a/tests/baselines/reference/asyncFunctionDeclaration15_es5.errors.txt b/tests/baselines/reference/asyncFunctionDeclaration15_es5.errors.txt
index 7e3595ec6f4e0..88234a8d1dcdc 100644
--- a/tests/baselines/reference/asyncFunctionDeclaration15_es5.errors.txt
+++ b/tests/baselines/reference/asyncFunctionDeclaration15_es5.errors.txt
@@ -7,12 +7,11 @@ tests/cases/conformance/async/es5/functionDeclarations/asyncFunctionDeclaration1
 tests/cases/conformance/async/es5/functionDeclarations/asyncFunctionDeclaration15_es5.ts(10,23): error TS1055: Type 'typeof Thenable' is not a valid async function return type in ES5/ES3 because it does not refer to a Promise-compatible constructor value.
   Construct signature return types 'Thenable' and 'PromiseLike<T>' are incompatible.
     The types returned by 'then(...)' are incompatible between these types.
-      Type 'void' is not assignable to type 'PromiseLike<TResult1 | TResult2>'.
-tests/cases/conformance/async/es5/functionDeclarations/asyncFunctionDeclaration15_es5.ts(17,16): error TS1058: The return type of an async function must either be a valid promise or must not contain a callable 'then' member.
-tests/cases/conformance/async/es5/functionDeclarations/asyncFunctionDeclaration15_es5.ts(23,25): error TS1320: Type of 'await' operand must either be a valid promise or must not contain a callable 'then' member.
+      Type 'void' is not assignable to type 'PromiseLike<Awaited<TResult1> | Awaited<TResult2>>'.
+tests/cases/conformance/async/es5/functionDeclarations/asyncFunctionDeclaration15_es5.ts(10,23): error TS2355: A function whose declared type is neither 'void' nor 'any' must return a value.
 
 
-==== tests/cases/conformance/async/es5/functionDeclarations/asyncFunctionDeclaration15_es5.ts (9 errors) ====
+==== tests/cases/conformance/async/es5/functionDeclarations/asyncFunctionDeclaration15_es5.ts (8 errors) ====
     declare class Thenable { then(): void; }
     declare let a: any;
     declare let obj: { then: string; };
@@ -39,7 +38,9 @@ tests/cases/conformance/async/es5/functionDeclarations/asyncFunctionDeclaration1
 !!! error TS1055: Type 'typeof Thenable' is not a valid async function return type in ES5/ES3 because it does not refer to a Promise-compatible constructor value.
 !!! error TS1055:   Construct signature return types 'Thenable' and 'PromiseLike<T>' are incompatible.
 !!! error TS1055:     The types returned by 'then(...)' are incompatible between these types.
-!!! error TS1055:       Type 'void' is not assignable to type 'PromiseLike<TResult1 | TResult2>'.
+!!! error TS1055:       Type 'void' is not assignable to type 'PromiseLike<Awaited<TResult1> | Awaited<TResult2>>'.
+                          ~~~~~~~~
+!!! error TS2355: A function whose declared type is neither 'void' nor 'any' must return a value.
     async function fn7() { return; } // valid: Promise<void>
     async function fn8() { return 1; } // valid: Promise<number>
     async function fn9() { return null; } // valid: Promise<any>
@@ -47,14 +48,10 @@ tests/cases/conformance/async/es5/functionDeclarations/asyncFunctionDeclaration1
     async function fn11() { return a; } // valid: Promise<any>
     async function fn12() { return obj; } // valid: Promise<{ then: string; }>
     async function fn13() { return thenable; } // error
-                   ~~~~
-!!! error TS1058: The return type of an async function must either be a valid promise or must not contain a callable 'then' member.
     async function fn14() { await 1; } // valid: Promise<void>
     async function fn15() { await null; } // valid: Promise<void>
     async function fn16() { await undefined; } // valid: Promise<void>
     async function fn17() { await a; } // valid: Promise<void>
     async function fn18() { await obj; } // valid: Promise<void>
     async function fn19() { await thenable; } // error
-                            ~~~~~~~~~~~~~~
-!!! error TS1320: Type of 'await' operand must either be a valid promise or must not contain a callable 'then' member.
     
\ No newline at end of file
diff --git a/tests/baselines/reference/asyncFunctionDeclaration15_es5.types b/tests/baselines/reference/asyncFunctionDeclaration15_es5.types
index dc7f69e0d0269..0582b88c2a339 100644
--- a/tests/baselines/reference/asyncFunctionDeclaration15_es5.types
+++ b/tests/baselines/reference/asyncFunctionDeclaration15_es5.types
@@ -55,7 +55,7 @@ async function fn12() { return obj; } // valid: Promise<{ then: string; }>
 >obj : { then: string; }
 
 async function fn13() { return thenable; } // error
->fn13 : () => Promise<any>
+>fn13 : () => Promise<Thenable>
 >thenable : Thenable
 
 async function fn14() { await 1; } // valid: Promise<void>
@@ -85,6 +85,6 @@ async function fn18() { await obj; } // valid: Promise<void>
 
 async function fn19() { await thenable; } // error
 >fn19 : () => Promise<void>
->await thenable : any
+>await thenable : Thenable
 >thenable : Thenable
 
diff --git a/tests/baselines/reference/asyncFunctionDeclaration15_es6.errors.txt b/tests/baselines/reference/asyncFunctionDeclaration15_es6.errors.txt
index 5ff67861350fd..b50ef2652b6d8 100644
--- a/tests/baselines/reference/asyncFunctionDeclaration15_es6.errors.txt
+++ b/tests/baselines/reference/asyncFunctionDeclaration15_es6.errors.txt
@@ -5,11 +5,10 @@ tests/cases/conformance/async/es6/functionDeclarations/asyncFunctionDeclaration1
 tests/cases/conformance/async/es6/functionDeclarations/asyncFunctionDeclaration15_es6.ts(8,23): error TS2355: A function whose declared type is neither 'void' nor 'any' must return a value.
 tests/cases/conformance/async/es6/functionDeclarations/asyncFunctionDeclaration15_es6.ts(9,23): error TS1064: The return type of an async function or method must be the global Promise<T> type.
 tests/cases/conformance/async/es6/functionDeclarations/asyncFunctionDeclaration15_es6.ts(10,23): error TS1064: The return type of an async function or method must be the global Promise<T> type.
-tests/cases/conformance/async/es6/functionDeclarations/asyncFunctionDeclaration15_es6.ts(17,16): error TS1058: The return type of an async function must either be a valid promise or must not contain a callable 'then' member.
-tests/cases/conformance/async/es6/functionDeclarations/asyncFunctionDeclaration15_es6.ts(23,25): error TS1320: Type of 'await' operand must either be a valid promise or must not contain a callable 'then' member.
+tests/cases/conformance/async/es6/functionDeclarations/asyncFunctionDeclaration15_es6.ts(10,23): error TS2355: A function whose declared type is neither 'void' nor 'any' must return a value.
 
 
-==== tests/cases/conformance/async/es6/functionDeclarations/asyncFunctionDeclaration15_es6.ts (9 errors) ====
+==== tests/cases/conformance/async/es6/functionDeclarations/asyncFunctionDeclaration15_es6.ts (8 errors) ====
     declare class Thenable { then(): void; }
     declare let a: any;
     declare let obj: { then: string; };
@@ -34,6 +33,8 @@ tests/cases/conformance/async/es6/functionDeclarations/asyncFunctionDeclaration1
     async function fn6(): Thenable { } // error
                           ~~~~~~~~
 !!! error TS1064: The return type of an async function or method must be the global Promise<T> type.
+                          ~~~~~~~~
+!!! error TS2355: A function whose declared type is neither 'void' nor 'any' must return a value.
     async function fn7() { return; } // valid: Promise<void>
     async function fn8() { return 1; } // valid: Promise<number>
     async function fn9() { return null; } // valid: Promise<any>
@@ -41,14 +42,10 @@ tests/cases/conformance/async/es6/functionDeclarations/asyncFunctionDeclaration1
     async function fn11() { return a; } // valid: Promise<any>
     async function fn12() { return obj; } // valid: Promise<{ then: string; }>
     async function fn13() { return thenable; } // error
-                   ~~~~
-!!! error TS1058: The return type of an async function must either be a valid promise or must not contain a callable 'then' member.
     async function fn14() { await 1; } // valid: Promise<void>
     async function fn15() { await null; } // valid: Promise<void>
     async function fn16() { await undefined; } // valid: Promise<void>
     async function fn17() { await a; } // valid: Promise<void>
     async function fn18() { await obj; } // valid: Promise<void>
     async function fn19() { await thenable; } // error
-                            ~~~~~~~~~~~~~~
-!!! error TS1320: Type of 'await' operand must either be a valid promise or must not contain a callable 'then' member.
     
\ No newline at end of file
diff --git a/tests/baselines/reference/asyncFunctionDeclaration15_es6.types b/tests/baselines/reference/asyncFunctionDeclaration15_es6.types
index 9955f7708e65e..c1c6346ea22ae 100644
--- a/tests/baselines/reference/asyncFunctionDeclaration15_es6.types
+++ b/tests/baselines/reference/asyncFunctionDeclaration15_es6.types
@@ -55,7 +55,7 @@ async function fn12() { return obj; } // valid: Promise<{ then: string; }>
 >obj : { then: string; }
 
 async function fn13() { return thenable; } // error
->fn13 : () => Promise<any>
+>fn13 : () => Promise<Thenable>
 >thenable : Thenable
 
 async function fn14() { await 1; } // valid: Promise<void>
@@ -85,6 +85,6 @@ async function fn18() { await obj; } // valid: Promise<void>
 
 async function fn19() { await thenable; } // error
 >fn19 : () => Promise<void>
->await thenable : any
+>await thenable : Thenable
 >thenable : Thenable
 
diff --git a/tests/baselines/reference/asyncFunctionReturnType.js b/tests/baselines/reference/asyncFunctionReturnType.js
index 04b3a04a036d3..c5bdc340a8fd6 100644
--- a/tests/baselines/reference/asyncFunctionReturnType.js
+++ b/tests/baselines/reference/asyncFunctionReturnType.js
@@ -63,17 +63,25 @@ async function fGenericIndexedTypeForExplicitPromiseOfAnyProp<TObj extends Obj>(
     return Promise.resolve<TObj["anyProp"]>(obj.anyProp);
 }
 
-async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
+async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
     return obj[key];
 }
 
-async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
+async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
     return Promise.resolve(obj[key]);
 }
 
-async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
+async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
     return Promise.resolve<TObj[K]>(obj[key]);
-}
+}
+
+// #27711
+
+async function fGeneric<T>(x: T) {
+    return x;
+}
+const expected: Promise<number> = fGeneric(undefined as Promise<number>);
+
 
 //// [asyncFunctionReturnType.js]
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
@@ -172,3 +180,10 @@ function fGenericIndexedTypeForExplicitPromiseOfKProp(obj, key) {
         return Promise.resolve(obj[key]);
     });
 }
+// #27711
+function fGeneric(x) {
+    return __awaiter(this, void 0, void 0, function* () {
+        return x;
+    });
+}
+const expected = fGeneric(undefined);
diff --git a/tests/baselines/reference/asyncFunctionReturnType.symbols b/tests/baselines/reference/asyncFunctionReturnType.symbols
index 25a7e944c6a7a..fe638a5aca496 100644
--- a/tests/baselines/reference/asyncFunctionReturnType.symbols
+++ b/tests/baselines/reference/asyncFunctionReturnType.symbols
@@ -221,7 +221,7 @@ async function fGenericIndexedTypeForExplicitPromiseOfAnyProp<TObj extends Obj>(
 >anyProp : Symbol(Obj.anyProp, Decl(asyncFunctionReturnType.ts, 12, 23))
 }
 
-async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
+async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
 >fGenericIndexedTypeForKProp : Symbol(fGenericIndexedTypeForKProp, Decl(asyncFunctionReturnType.ts, 62, 1))
 >TObj : Symbol(TObj, Decl(asyncFunctionReturnType.ts, 64, 43))
 >Obj : Symbol(Obj, Decl(asyncFunctionReturnType.ts, 8, 1))
@@ -232,6 +232,7 @@ async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TOb
 >key : Symbol(key, Decl(asyncFunctionReturnType.ts, 64, 93))
 >K : Symbol(K, Decl(asyncFunctionReturnType.ts, 64, 60))
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>Awaited : Symbol(Awaited, Decl(lib.es5.d.ts, --, --))
 >TObj : Symbol(TObj, Decl(asyncFunctionReturnType.ts, 64, 43))
 >K : Symbol(K, Decl(asyncFunctionReturnType.ts, 64, 60))
 
@@ -240,7 +241,7 @@ async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TOb
 >key : Symbol(key, Decl(asyncFunctionReturnType.ts, 64, 93))
 }
 
-async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
+async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
 >fGenericIndexedTypeForPromiseOfKProp : Symbol(fGenericIndexedTypeForPromiseOfKProp, Decl(asyncFunctionReturnType.ts, 66, 1))
 >TObj : Symbol(TObj, Decl(asyncFunctionReturnType.ts, 68, 52))
 >Obj : Symbol(Obj, Decl(asyncFunctionReturnType.ts, 8, 1))
@@ -251,6 +252,7 @@ async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends
 >key : Symbol(key, Decl(asyncFunctionReturnType.ts, 68, 102))
 >K : Symbol(K, Decl(asyncFunctionReturnType.ts, 68, 69))
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>Awaited : Symbol(Awaited, Decl(lib.es5.d.ts, --, --))
 >TObj : Symbol(TObj, Decl(asyncFunctionReturnType.ts, 68, 52))
 >K : Symbol(K, Decl(asyncFunctionReturnType.ts, 68, 69))
 
@@ -262,7 +264,7 @@ async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends
 >key : Symbol(key, Decl(asyncFunctionReturnType.ts, 68, 102))
 }
 
-async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
+async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
 >fGenericIndexedTypeForExplicitPromiseOfKProp : Symbol(fGenericIndexedTypeForExplicitPromiseOfKProp, Decl(asyncFunctionReturnType.ts, 70, 1))
 >TObj : Symbol(TObj, Decl(asyncFunctionReturnType.ts, 72, 60))
 >Obj : Symbol(Obj, Decl(asyncFunctionReturnType.ts, 8, 1))
@@ -273,6 +275,7 @@ async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K
 >key : Symbol(key, Decl(asyncFunctionReturnType.ts, 72, 110))
 >K : Symbol(K, Decl(asyncFunctionReturnType.ts, 72, 77))
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>Awaited : Symbol(Awaited, Decl(lib.es5.d.ts, --, --))
 >TObj : Symbol(TObj, Decl(asyncFunctionReturnType.ts, 72, 60))
 >K : Symbol(K, Decl(asyncFunctionReturnType.ts, 72, 77))
 
@@ -285,3 +288,22 @@ async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K
 >obj : Symbol(obj, Decl(asyncFunctionReturnType.ts, 72, 100))
 >key : Symbol(key, Decl(asyncFunctionReturnType.ts, 72, 110))
 }
+
+// #27711
+
+async function fGeneric<T>(x: T) {
+>fGeneric : Symbol(fGeneric, Decl(asyncFunctionReturnType.ts, 74, 1))
+>T : Symbol(T, Decl(asyncFunctionReturnType.ts, 78, 24))
+>x : Symbol(x, Decl(asyncFunctionReturnType.ts, 78, 27))
+>T : Symbol(T, Decl(asyncFunctionReturnType.ts, 78, 24))
+
+    return x;
+>x : Symbol(x, Decl(asyncFunctionReturnType.ts, 78, 27))
+}
+const expected: Promise<number> = fGeneric(undefined as Promise<number>);
+>expected : Symbol(expected, Decl(asyncFunctionReturnType.ts, 81, 5))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>fGeneric : Symbol(fGeneric, Decl(asyncFunctionReturnType.ts, 74, 1))
+>undefined : Symbol(undefined)
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+
diff --git a/tests/baselines/reference/asyncFunctionReturnType.types b/tests/baselines/reference/asyncFunctionReturnType.types
index d2cb63e0a35f3..0e184c4ff8598 100644
--- a/tests/baselines/reference/asyncFunctionReturnType.types
+++ b/tests/baselines/reference/asyncFunctionReturnType.types
@@ -44,9 +44,9 @@ async function fIndexedTypeForPromiseOfStringProp(obj: Obj): Promise<Obj["string
 
     return Promise.resolve(obj.stringProp);
 >Promise.resolve(obj.stringProp) : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj.stringProp : string
 >obj : Obj
 >stringProp : string
@@ -58,9 +58,9 @@ async function fIndexedTypeForExplicitPromiseOfStringProp(obj: Obj): Promise<Obj
 
     return Promise.resolve<Obj["stringProp"]>(obj.stringProp);
 >Promise.resolve<Obj["stringProp"]>(obj.stringProp) : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj.stringProp : string
 >obj : Obj
 >stringProp : string
@@ -82,9 +82,9 @@ async function fIndexedTypeForPromiseOfAnyProp(obj: Obj): Promise<Obj["anyProp"]
 
     return Promise.resolve(obj.anyProp);
 >Promise.resolve(obj.anyProp) : Promise<any>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj.anyProp : any
 >obj : Obj
 >anyProp : any
@@ -96,9 +96,9 @@ async function fIndexedTypeForExplicitPromiseOfAnyProp(obj: Obj): Promise<Obj["a
 
     return Promise.resolve<Obj["anyProp"]>(obj.anyProp);
 >Promise.resolve<Obj["anyProp"]>(obj.anyProp) : Promise<any>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj.anyProp : any
 >obj : Obj
 >anyProp : any
@@ -120,9 +120,9 @@ async function fGenericIndexedTypeForPromiseOfStringProp<TObj extends Obj>(obj:
 
     return Promise.resolve(obj.stringProp);
 >Promise.resolve(obj.stringProp) : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj.stringProp : string
 >obj : TObj
 >stringProp : string
@@ -133,10 +133,10 @@ async function fGenericIndexedTypeForExplicitPromiseOfStringProp<TObj extends Ob
 >obj : TObj
 
     return Promise.resolve<TObj["stringProp"]>(obj.stringProp);
->Promise.resolve<TObj["stringProp"]>(obj.stringProp) : Promise<TObj["stringProp"]>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve<TObj["stringProp"]>(obj.stringProp) : Promise<Awaited<TObj["stringProp"]>>
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj.stringProp : string
 >obj : TObj
 >stringProp : string
@@ -158,9 +158,9 @@ async function fGenericIndexedTypeForPromiseOfAnyProp<TObj extends Obj>(obj: TOb
 
     return Promise.resolve(obj.anyProp);
 >Promise.resolve(obj.anyProp) : Promise<any>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj.anyProp : any
 >obj : TObj
 >anyProp : any
@@ -171,17 +171,17 @@ async function fGenericIndexedTypeForExplicitPromiseOfAnyProp<TObj extends Obj>(
 >obj : TObj
 
     return Promise.resolve<TObj["anyProp"]>(obj.anyProp);
->Promise.resolve<TObj["anyProp"]>(obj.anyProp) : Promise<TObj["anyProp"]>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve<TObj["anyProp"]>(obj.anyProp) : Promise<Awaited<TObj["anyProp"]>>
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj.anyProp : any
 >obj : TObj
 >anyProp : any
 }
 
-async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
->fGenericIndexedTypeForKProp : <TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K) => Promise<TObj[K]>
+async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
+>fGenericIndexedTypeForKProp : <TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K) => Promise<Awaited<TObj[K]>>
 >obj : TObj
 >key : K
 
@@ -191,32 +191,49 @@ async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TOb
 >key : K
 }
 
-async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
->fGenericIndexedTypeForPromiseOfKProp : <TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K) => Promise<TObj[K]>
+async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
+>fGenericIndexedTypeForPromiseOfKProp : <TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K) => Promise<Awaited<TObj[K]>>
 >obj : TObj
 >key : K
 
     return Promise.resolve(obj[key]);
->Promise.resolve(obj[key]) : Promise<TObj[K]>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve(obj[key]) : Promise<Awaited<TObj[K]>>
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj[key] : TObj[K]
 >obj : TObj
 >key : K
 }
 
-async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
->fGenericIndexedTypeForExplicitPromiseOfKProp : <TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K) => Promise<TObj[K]>
+async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
+>fGenericIndexedTypeForExplicitPromiseOfKProp : <TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K) => Promise<Awaited<TObj[K]>>
 >obj : TObj
 >key : K
 
     return Promise.resolve<TObj[K]>(obj[key]);
->Promise.resolve<TObj[K]>(obj[key]) : Promise<TObj[K]>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve<TObj[K]>(obj[key]) : Promise<Awaited<TObj[K]>>
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj[key] : TObj[K]
 >obj : TObj
 >key : K
 }
+
+// #27711
+
+async function fGeneric<T>(x: T) {
+>fGeneric : <T>(x: T) => Promise<Awaited<T>>
+>x : T
+
+    return x;
+>x : T
+}
+const expected: Promise<number> = fGeneric(undefined as Promise<number>);
+>expected : Promise<number>
+>fGeneric(undefined as Promise<number>) : Promise<number>
+>fGeneric : <T>(x: T) => Promise<Awaited<T>>
+>undefined as Promise<number> : Promise<number>
+>undefined : undefined
+
diff --git a/tests/baselines/reference/compareTypeParameterConstrainedByLiteralToLiteral.errors.txt b/tests/baselines/reference/compareTypeParameterConstrainedByLiteralToLiteral.errors.txt
index aa8a0572e6be8..33c750d71b0a3 100644
--- a/tests/baselines/reference/compareTypeParameterConstrainedByLiteralToLiteral.errors.txt
+++ b/tests/baselines/reference/compareTypeParameterConstrainedByLiteralToLiteral.errors.txt
@@ -9,5 +9,6 @@ tests/cases/compiler/compareTypeParameterConstrainedByLiteralToLiteral.ts(5,5):
         t === "x";  // Should be error
         ~~~~~~~~~
 !!! error TS2367: This condition will always return 'false' since the types 'T' and '"x"' have no overlap.
+!!! related TS2773 tests/cases/compiler/compareTypeParameterConstrainedByLiteralToLiteral.ts:5:5: Did you forget to use 'await'?
     }
     
\ No newline at end of file
diff --git a/tests/baselines/reference/comparisonOperatorWithNoRelationshipTypeParameter.errors.txt b/tests/baselines/reference/comparisonOperatorWithNoRelationshipTypeParameter.errors.txt
index da497e03a2206..1c2cb3b1e6603 100644
--- a/tests/baselines/reference/comparisonOperatorWithNoRelationshipTypeParameter.errors.txt
+++ b/tests/baselines/reference/comparisonOperatorWithNoRelationshipTypeParameter.errors.txt
@@ -161,359 +161,471 @@ tests/cases/conformance/expressions/binaryOperators/comparisonOperator/compariso
         var r1a1 = t < a;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'boolean'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:22:16: Did you forget to use 'await'?
         var r1a2 = t < b;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'number'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:23:16: Did you forget to use 'await'?
         var r1a3 = t < c;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'string'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:24:16: Did you forget to use 'await'?
         var r1a4 = t < d;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'void'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:25:16: Did you forget to use 'await'?
         var r1a5 = t < e;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'E'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:26:16: Did you forget to use 'await'?
         var r1a6 = t < f;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and '{ a: string; }'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:27:16: Did you forget to use 'await'?
         var r1a7 = t < g;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'any[]'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:28:16: Did you forget to use 'await'?
     
         var r1b1 = a < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'boolean' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:30:16: Did you forget to use 'await'?
         var r1b2 = b < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'number' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:31:16: Did you forget to use 'await'?
         var r1b3 = c < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'string' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:32:16: Did you forget to use 'await'?
         var r1b4 = d < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'void' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:33:16: Did you forget to use 'await'?
         var r1b5 = e < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'E' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:34:16: Did you forget to use 'await'?
         var r1b6 = f < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types '{ a: string; }' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:35:16: Did you forget to use 'await'?
         var r1b7 = g < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'any[]' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:36:16: Did you forget to use 'await'?
     
         // operator >
         var r2a1 = t < a;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'boolean'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:39:16: Did you forget to use 'await'?
         var r2a2 = t < b;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'number'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:40:16: Did you forget to use 'await'?
         var r2a3 = t < c;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'string'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:41:16: Did you forget to use 'await'?
         var r2a4 = t < d;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'void'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:42:16: Did you forget to use 'await'?
         var r2a5 = t < e;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'E'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:43:16: Did you forget to use 'await'?
         var r2a6 = t < f;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and '{ a: string; }'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:44:16: Did you forget to use 'await'?
         var r2a7 = t < g;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'any[]'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:45:16: Did you forget to use 'await'?
     
         var r2b1 = a < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'boolean' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:47:16: Did you forget to use 'await'?
         var r2b2 = b < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'number' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:48:16: Did you forget to use 'await'?
         var r2b3 = c < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'string' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:49:16: Did you forget to use 'await'?
         var r2b4 = d < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'void' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:50:16: Did you forget to use 'await'?
         var r2b5 = e < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'E' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:51:16: Did you forget to use 'await'?
         var r2b6 = f < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types '{ a: string; }' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:52:16: Did you forget to use 'await'?
         var r2b7 = g < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'any[]' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:53:16: Did you forget to use 'await'?
     
         // operator <=
         var r3a1 = t < a;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'boolean'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:56:16: Did you forget to use 'await'?
         var r3a2 = t < b;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'number'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:57:16: Did you forget to use 'await'?
         var r3a3 = t < c;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'string'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:58:16: Did you forget to use 'await'?
         var r3a4 = t < d;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'void'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:59:16: Did you forget to use 'await'?
         var r3a5 = t < e;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'E'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:60:16: Did you forget to use 'await'?
         var r3a6 = t < f;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and '{ a: string; }'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:61:16: Did you forget to use 'await'?
         var r3a7 = t < g;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'any[]'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:62:16: Did you forget to use 'await'?
     
         var r3b1 = a < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'boolean' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:64:16: Did you forget to use 'await'?
         var r3b2 = b < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'number' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:65:16: Did you forget to use 'await'?
         var r3b3 = c < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'string' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:66:16: Did you forget to use 'await'?
         var r3b4 = d < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'void' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:67:16: Did you forget to use 'await'?
         var r3b5 = e < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'E' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:68:16: Did you forget to use 'await'?
         var r3b6 = f < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types '{ a: string; }' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:69:16: Did you forget to use 'await'?
         var r3b7 = g < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'any[]' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:70:16: Did you forget to use 'await'?
     
         // operator >=
         var r4a1 = t < a;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'boolean'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:73:16: Did you forget to use 'await'?
         var r4a2 = t < b;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'number'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:74:16: Did you forget to use 'await'?
         var r4a3 = t < c;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'string'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:75:16: Did you forget to use 'await'?
         var r4a4 = t < d;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'void'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:76:16: Did you forget to use 'await'?
         var r4a5 = t < e;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'E'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:77:16: Did you forget to use 'await'?
         var r4a6 = t < f;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and '{ a: string; }'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:78:16: Did you forget to use 'await'?
         var r4a7 = t < g;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'any[]'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:79:16: Did you forget to use 'await'?
     
         var r4b1 = a < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'boolean' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:81:16: Did you forget to use 'await'?
         var r4b2 = b < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'number' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:82:16: Did you forget to use 'await'?
         var r4b3 = c < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'string' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:83:16: Did you forget to use 'await'?
         var r4b4 = d < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'void' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:84:16: Did you forget to use 'await'?
         var r4b5 = e < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'E' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:85:16: Did you forget to use 'await'?
         var r4b6 = f < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types '{ a: string; }' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:86:16: Did you forget to use 'await'?
         var r4b7 = g < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'any[]' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:87:16: Did you forget to use 'await'?
     
         // operator ==
         var r5a1 = t < a;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'boolean'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:90:16: Did you forget to use 'await'?
         var r5a2 = t < b;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'number'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:91:16: Did you forget to use 'await'?
         var r5a3 = t < c;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'string'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:92:16: Did you forget to use 'await'?
         var r5a4 = t < d;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'void'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:93:16: Did you forget to use 'await'?
         var r5a5 = t < e;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'E'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:94:16: Did you forget to use 'await'?
         var r5a6 = t < f;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and '{ a: string; }'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:95:16: Did you forget to use 'await'?
         var r5a7 = t < g;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'any[]'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:96:16: Did you forget to use 'await'?
     
         var r5b1 = a < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'boolean' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:98:16: Did you forget to use 'await'?
         var r5b2 = b < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'number' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:99:16: Did you forget to use 'await'?
         var r5b3 = c < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'string' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:100:16: Did you forget to use 'await'?
         var r5b4 = d < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'void' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:101:16: Did you forget to use 'await'?
         var r5b5 = e < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'E' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:102:16: Did you forget to use 'await'?
         var r5b6 = f < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types '{ a: string; }' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:103:16: Did you forget to use 'await'?
         var r5b7 = g < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'any[]' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:104:16: Did you forget to use 'await'?
     
         // operator !=
         var r6a1 = t < a;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'boolean'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:107:16: Did you forget to use 'await'?
         var r6a2 = t < b;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'number'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:108:16: Did you forget to use 'await'?
         var r6a3 = t < c;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'string'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:109:16: Did you forget to use 'await'?
         var r6a4 = t < d;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'void'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:110:16: Did you forget to use 'await'?
         var r6a5 = t < e;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'E'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:111:16: Did you forget to use 'await'?
         var r6a6 = t < f;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and '{ a: string; }'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:112:16: Did you forget to use 'await'?
         var r6a7 = t < g;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'any[]'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:113:16: Did you forget to use 'await'?
     
         var r6b1 = a < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'boolean' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:115:16: Did you forget to use 'await'?
         var r6b2 = b < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'number' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:116:16: Did you forget to use 'await'?
         var r6b3 = c < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'string' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:117:16: Did you forget to use 'await'?
         var r6b4 = d < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'void' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:118:16: Did you forget to use 'await'?
         var r6b5 = e < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'E' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:119:16: Did you forget to use 'await'?
         var r6b6 = f < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types '{ a: string; }' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:120:16: Did you forget to use 'await'?
         var r6b7 = g < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'any[]' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:121:16: Did you forget to use 'await'?
     
         // operator ===
         var r7a1 = t < a;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'boolean'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:124:16: Did you forget to use 'await'?
         var r7a2 = t < b;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'number'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:125:16: Did you forget to use 'await'?
         var r7a3 = t < c;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'string'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:126:16: Did you forget to use 'await'?
         var r7a4 = t < d;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'void'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:127:16: Did you forget to use 'await'?
         var r7a5 = t < e;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'E'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:128:16: Did you forget to use 'await'?
         var r7a6 = t < f;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and '{ a: string; }'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:129:16: Did you forget to use 'await'?
         var r7a7 = t < g;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'any[]'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:130:16: Did you forget to use 'await'?
     
         var r7b1 = a < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'boolean' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:132:16: Did you forget to use 'await'?
         var r7b2 = b < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'number' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:133:16: Did you forget to use 'await'?
         var r7b3 = c < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'string' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:134:16: Did you forget to use 'await'?
         var r7b4 = d < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'void' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:135:16: Did you forget to use 'await'?
         var r7b5 = e < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'E' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:136:16: Did you forget to use 'await'?
         var r7b6 = f < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types '{ a: string; }' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:137:16: Did you forget to use 'await'?
         var r7b7 = g < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'any[]' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:138:16: Did you forget to use 'await'?
     
         // operator !==
         var r8a1 = t < a;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'boolean'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:141:16: Did you forget to use 'await'?
         var r8a2 = t < b;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'number'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:142:16: Did you forget to use 'await'?
         var r8a3 = t < c;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'string'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:143:16: Did you forget to use 'await'?
         var r8a4 = t < d;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'void'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:144:16: Did you forget to use 'await'?
         var r8a5 = t < e;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'E'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:145:16: Did you forget to use 'await'?
         var r8a6 = t < f;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and '{ a: string; }'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:146:16: Did you forget to use 'await'?
         var r8a7 = t < g;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'any[]'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:147:16: Did you forget to use 'await'?
     
         var r8b1 = a < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'boolean' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:149:16: Did you forget to use 'await'?
         var r8b2 = b < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'number' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:150:16: Did you forget to use 'await'?
         var r8b3 = c < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'string' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:151:16: Did you forget to use 'await'?
         var r8b4 = d < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'void' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:152:16: Did you forget to use 'await'?
         var r8b5 = e < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'E' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:153:16: Did you forget to use 'await'?
         var r8b6 = f < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types '{ a: string; }' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:154:16: Did you forget to use 'await'?
         var r8b7 = g < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'any[]' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:155:16: Did you forget to use 'await'?
     }
\ No newline at end of file
diff --git a/tests/baselines/reference/correctOrderOfPromiseMethod.js b/tests/baselines/reference/correctOrderOfPromiseMethod.js
index fadda95374f3e..ef8c03670f8ea 100644
--- a/tests/baselines/reference/correctOrderOfPromiseMethod.js
+++ b/tests/baselines/reference/correctOrderOfPromiseMethod.js
@@ -15,7 +15,7 @@ async function countEverything(): Promise<number> {
     const [resultA, resultB] = await Promise.all([
         providerA(),
         providerB(),
-    ] as const);
+    ]);
 
     const dataA: A[] = resultA;
     const dataB: B[] = resultB;
@@ -24,6 +24,10 @@ async function countEverything(): Promise<number> {
     }
     return 0;
 }
+
+// #31179
+
+const expected: Promise<['a', 'b', 'c']> = Promise.all(undefined as readonly ['a', 'b', 'c']);
 
 
 //// [correctOrderOfPromiseMethod.js]
@@ -92,3 +96,5 @@ function countEverything() {
         });
     });
 }
+// #31179
+var expected = Promise.all(undefined);
diff --git a/tests/baselines/reference/correctOrderOfPromiseMethod.symbols b/tests/baselines/reference/correctOrderOfPromiseMethod.symbols
index 1e67e9444c67f..6eb2c16cdb65e 100644
--- a/tests/baselines/reference/correctOrderOfPromiseMethod.symbols
+++ b/tests/baselines/reference/correctOrderOfPromiseMethod.symbols
@@ -33,9 +33,9 @@ async function countEverything(): Promise<number> {
     const [resultA, resultB] = await Promise.all([
 >resultA : Symbol(resultA, Decl(correctOrderOfPromiseMethod.ts, 13, 11))
 >resultB : Symbol(resultB, Decl(correctOrderOfPromiseMethod.ts, 13, 19))
->Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --) ... and 6 more)
+>Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
->all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --) ... and 6 more)
+>all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
 
         providerA(),
 >providerA : Symbol(providerA, Decl(correctOrderOfPromiseMethod.ts, 10, 9))
@@ -43,7 +43,7 @@ async function countEverything(): Promise<number> {
         providerB(),
 >providerB : Symbol(providerB, Decl(correctOrderOfPromiseMethod.ts, 11, 9))
 
-    ] as const);
+    ]);
 
     const dataA: A[] = resultA;
 >dataA : Symbol(dataA, Decl(correctOrderOfPromiseMethod.ts, 18, 9))
@@ -70,3 +70,13 @@ async function countEverything(): Promise<number> {
     return 0;
 }
 
+// #31179
+
+const expected: Promise<['a', 'b', 'c']> = Promise.all(undefined as readonly ['a', 'b', 'c']);
+>expected : Symbol(expected, Decl(correctOrderOfPromiseMethod.ts, 28, 5))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>undefined : Symbol(undefined)
+
diff --git a/tests/baselines/reference/correctOrderOfPromiseMethod.types b/tests/baselines/reference/correctOrderOfPromiseMethod.types
index a6f2c46782e0a..07c4cd2d1b8fd 100644
--- a/tests/baselines/reference/correctOrderOfPromiseMethod.types
+++ b/tests/baselines/reference/correctOrderOfPromiseMethod.types
@@ -28,13 +28,12 @@ async function countEverything(): Promise<number> {
     const [resultA, resultB] = await Promise.all([
 >resultA : A[]
 >resultB : B[]
->await Promise.all([        providerA(),        providerB(),    ] as const) : [A[], B[]]
->Promise.all([        providerA(),        providerB(),    ] as const) : Promise<[A[], B[]]>
->Promise.all : { <TAll>(values: Iterable<TAll | PromiseLike<TAll>>): Promise<TAll[]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9]>; <T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8]>; <T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[T1, T2, T3, T4, T5, T6, T7]>; <T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[T1, T2, T3, T4, T5, T6]>; <T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>]): Promise<[T1, T2, T3, T4, T5]>; <T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>]): Promise<[T1, T2, T3, T4]>; <T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[T1, T2, T3]>; <T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[T1, T2]>; <T>(values: readonly (T | PromiseLike<T>)[]): Promise<T[]>; }
+>await Promise.all([        providerA(),        providerB(),    ]) : [A[], B[]]
+>Promise.all([        providerA(),        providerB(),    ]) : Promise<[A[], B[]]>
+>Promise.all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
 >Promise : PromiseConstructor
->all : { <TAll>(values: Iterable<TAll | PromiseLike<TAll>>): Promise<TAll[]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9]>; <T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8]>; <T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[T1, T2, T3, T4, T5, T6, T7]>; <T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[T1, T2, T3, T4, T5, T6]>; <T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>]): Promise<[T1, T2, T3, T4, T5]>; <T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>]): Promise<[T1, T2, T3, T4]>; <T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[T1, T2, T3]>; <T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[T1, T2]>; <T>(values: readonly (T | PromiseLike<T>)[]): Promise<T[]>; }
->[        providerA(),        providerB(),    ] as const : readonly [Promise<A[]>, Promise<B[]>]
->[        providerA(),        providerB(),    ] : readonly [Promise<A[]>, Promise<B[]>]
+>all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
+>[        providerA(),        providerB(),    ] : [Promise<A[]>, Promise<B[]>]
 
         providerA(),
 >providerA() : Promise<A[]>
@@ -44,7 +43,7 @@ async function countEverything(): Promise<number> {
 >providerB() : Promise<B[]>
 >providerB : () => Promise<B[]>
 
-    ] as const);
+    ]);
 
     const dataA: A[] = resultA;
 >dataA : A[]
@@ -72,3 +71,14 @@ async function countEverything(): Promise<number> {
 >0 : 0
 }
 
+// #31179
+
+const expected: Promise<['a', 'b', 'c']> = Promise.all(undefined as readonly ['a', 'b', 'c']);
+>expected : Promise<["a", "b", "c"]>
+>Promise.all(undefined as readonly ['a', 'b', 'c']) : Promise<["a", "b", "c"]>
+>Promise.all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
+>Promise : PromiseConstructor
+>all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
+>undefined as readonly ['a', 'b', 'c'] : readonly ["a", "b", "c"]
+>undefined : undefined
+
diff --git a/tests/baselines/reference/declarationEmitExportAliasVisibiilityMarking.types b/tests/baselines/reference/declarationEmitExportAliasVisibiilityMarking.types
index bf9666f3082b1..73351152e0a6e 100644
--- a/tests/baselines/reference/declarationEmitExportAliasVisibiilityMarking.types
+++ b/tests/baselines/reference/declarationEmitExportAliasVisibiilityMarking.types
@@ -28,10 +28,10 @@ export let lazyCard = () => import('./Card').then(a => a.default);
 >lazyCard : () => Promise<(suit: import("tests/cases/compiler/Types").Suit, rank: import("tests/cases/compiler/Types").Rank) => { suit: import("tests/cases/compiler/Types").Suit; rank: import("tests/cases/compiler/Types").Rank; }>
 >() => import('./Card').then(a => a.default) : () => Promise<(suit: import("tests/cases/compiler/Types").Suit, rank: import("tests/cases/compiler/Types").Rank) => { suit: import("tests/cases/compiler/Types").Suit; rank: import("tests/cases/compiler/Types").Rank; }>
 >import('./Card').then(a => a.default) : Promise<(suit: import("tests/cases/compiler/Types").Suit, rank: import("tests/cases/compiler/Types").Rank) => { suit: import("tests/cases/compiler/Types").Suit; rank: import("tests/cases/compiler/Types").Rank; }>
->import('./Card').then : <TResult1 = typeof import("tests/cases/compiler/Card"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/compiler/Card")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>import('./Card').then : <TResult1 = typeof import("tests/cases/compiler/Card"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/compiler/Card")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >import('./Card') : Promise<typeof import("tests/cases/compiler/Card")>
 >'./Card' : "./Card"
->then : <TResult1 = typeof import("tests/cases/compiler/Card"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/compiler/Card")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/compiler/Card"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/compiler/Card")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >a => a.default : (a: typeof import("tests/cases/compiler/Card")) => (suit: import("tests/cases/compiler/Types").Suit, rank: import("tests/cases/compiler/Types").Rank) => { suit: import("tests/cases/compiler/Types").Suit; rank: import("tests/cases/compiler/Types").Rank; }
 >a : typeof import("tests/cases/compiler/Card")
 >a.default : (suit: import("tests/cases/compiler/Types").Suit, rank: import("tests/cases/compiler/Types").Rank) => { suit: import("tests/cases/compiler/Types").Suit; rank: import("tests/cases/compiler/Types").Rank; }
diff --git a/tests/baselines/reference/docker/office-ui-fabric.log b/tests/baselines/reference/docker/office-ui-fabric.log
index 57100adb972fb..2e1eaaaaf900d 100644
--- a/tests/baselines/reference/docker/office-ui-fabric.log
+++ b/tests/baselines/reference/docker/office-ui-fabric.log
@@ -144,7 +144,6 @@ Standard output:
 @uifabric/merge-styles:  PASS  src/Stylesheet.test.ts
 @uifabric/merge-styles:  PASS  src/extractStyleParts.test.ts
 @uifabric/merge-styles:  PASS  src/concatStyleSetsWithProps.test.ts
-@uifabric/merge-styles:  PASS  src/fontFace.test.ts
 @uifabric/merge-styles: [XX:XX:XX XM] ■ Extracting Public API surface from '/office-ui-fabric-react/packages/merge-styles/lib/index.d.ts'
 @uifabric/merge-styles: Done in ?s.
 @uifabric/jest-serializer-merge-styles: yarn run vX.X.X
diff --git a/tests/baselines/reference/docker/vscode.log b/tests/baselines/reference/docker/vscode.log
index 45c7728bdb5d0..57a088c2fc60c 100644
--- a/tests/baselines/reference/docker/vscode.log
+++ b/tests/baselines/reference/docker/vscode.log
@@ -1,11 +1,101 @@
-Exit Code: 0
+Exit Code: 1
 Standard output:
 yarn run vX.X.X
 $ gulp compile --max_old_space_size=4095
 [XX:XX:XX] Node flags detected: --max_old_space_size=4095
 [XX:XX:XX] Using gulpfile /vscode/gulpfile.js
-Done in ?s.
+[XX:XX:XX] Error: /vscode/src/vs/base/common/async.ts(42,4): Type 'Promise<TResult1 | TResult2 | Awaited<TResult1> | Awaited<TResult2>>' is not assignable to type 'Promise<TResult1 | TResult2>'.
+[XX:XX:XX] Error: /vscode/extensions/emmet/src/test/cssAbbreviationAction.test.ts(182,39): Argument of type 'Thenable<CompletionList | undefined>[]' is not assignable to parameter of type 'Iterable<CompletionList>'.
+  The types returned by '[Symbol.iterator]().next(...)' are incompatible between these types.
+    Type 'IteratorResult<Thenable<CompletionList | undefined>, any>' is not assignable to type 'IteratorResult<CompletionList, any>'.
+      Type 'IteratorYieldResult<Thenable<CompletionList | undefined>>' is not assignable to type 'IteratorResult<CompletionList, any>'.
+        Type 'IteratorYieldResult<Thenable<CompletionList | undefined>>' is not assignable to type 'IteratorYieldResult<CompletionList>'.
+          Property 'items' is missing in type 'Thenable<CompletionList | undefined>' but required in type 'CompletionList'.
+[XX:XX:XX] Error: /vscode/extensions/emmet/src/test/cssAbbreviationAction.test.ts(182,88): Binding element 'result1' implicitly has an 'any' type.
+[XX:XX:XX] Error: /vscode/extensions/emmet/src/test/cssAbbreviationAction.test.ts(182,97): Binding element 'result2' implicitly has an 'any' type.
+[XX:XX:XX] Error: /vscode/extensions/emmet/src/test/cssAbbreviationAction.test.ts(243,39): Argument of type 'Thenable<CompletionList | undefined>[]' is not assignable to parameter of type 'Iterable<CompletionList>'.
+[XX:XX:XX] Error: /vscode/extensions/emmet/src/test/cssAbbreviationAction.test.ts(243,88): Binding element 'result1' implicitly has an 'any' type.
+[XX:XX:XX] Error: /vscode/extensions/emmet/src/test/cssAbbreviationAction.test.ts(243,97): Binding element 'result2' implicitly has an 'any' type.
+[XX:XX:XX] Error: /vscode/extensions/emmet/src/test/cssAbbreviationAction.test.ts(302,39): Argument of type 'Thenable<CompletionList | undefined>[]' is not assignable to parameter of type 'Iterable<CompletionList>'.
+[XX:XX:XX] Error: /vscode/extensions/emmet/src/test/cssAbbreviationAction.test.ts(302,88): Binding element 'result1' implicitly has an 'any' type.
+[XX:XX:XX] Error: /vscode/extensions/emmet/src/test/cssAbbreviationAction.test.ts(302,97): Binding element 'result2' implicitly has an 'any' type.
+[XX:XX:XX] Error: /vscode/extensions/emmet/src/test/cssAbbreviationAction.test.ts(360,39): Argument of type 'Thenable<CompletionList | undefined>[]' is not assignable to parameter of type 'Iterable<CompletionList>'.
+[XX:XX:XX] Error: /vscode/extensions/emmet/src/test/cssAbbreviationAction.test.ts(360,88): Binding element 'result1' implicitly has an 'any' type.
+[XX:XX:XX] Error: /vscode/extensions/emmet/src/test/cssAbbreviationAction.test.ts(360,97): Binding element 'result2' implicitly has an 'any' type.
+[XX:XX:XX] Error: /vscode/extensions/emmet/src/test/cssAbbreviationAction.test.ts(420,39): Argument of type 'Thenable<CompletionList | undefined>[]' is not assignable to parameter of type 'Iterable<CompletionList>'.
+[XX:XX:XX] Error: /vscode/extensions/emmet/src/test/cssAbbreviationAction.test.ts(420,128): Binding element 'result1' implicitly has an 'any' type.
+[XX:XX:XX] Error: /vscode/extensions/emmet/src/test/cssAbbreviationAction.test.ts(420,137): Binding element 'result2' implicitly has an 'any' type.
+[XX:XX:XX] Error: /vscode/extensions/emmet/src/test/cssAbbreviationAction.test.ts(420,146): Binding element 'result3' implicitly has an 'any' type.
+[XX:XX:XX] Error: /vscode/extensions/emmet/src/test/cssAbbreviationAction.test.ts(420,155): Binding element 'result4' implicitly has an 'any' type.
+[XX:XX:XX] Error: /vscode/extensions/git/src/commands.ts(189,60): Argument of type 'Promise<boolean>[]' is not assignable to parameter of type 'Iterable<boolean>'.
+  The types returned by '[Symbol.iterator]().next(...)' are incompatible between these types.
+    Type 'IteratorResult<Promise<boolean>, any>' is not assignable to type 'IteratorResult<boolean, any>'.
+      Type 'IteratorYieldResult<Promise<boolean>>' is not assignable to type 'IteratorResult<boolean, any>'.
+        Type 'IteratorYieldResult<Promise<boolean>>' is not assignable to type 'IteratorYieldResult<boolean>'.
+          Type 'Promise<boolean>' is not assignable to type 'boolean'.
+[XX:XX:XX] Error: /vscode/extensions/merge-conflict/src/delayer.ts(33,4): Type 'Promise<Awaited<T>>' is not assignable to type 'Promise<T>'.
+  Type 'Awaited<T>' is not assignable to type 'T'.
+    Type 'T | (T extends PromiseLike<infer U> ? U : T)' is not assignable to type 'T'.
+      Type 'T extends PromiseLike<infer U> ? U : T' is not assignable to type 'T'.
+        Type 'unknown' is not assignable to type 'T'.
+[XX:XX:XX] Error: /vscode/extensions/merge-conflict/src/delayer.ts(51,3): Type 'Promise<T> | null' is not assignable to type 'Promise<T>'.
+  Type 'null' is not assignable to type 'Promise<T>'.
+[XX:XX:XX] Error: /vscode/extensions/php-language-features/src/features/utils/async.ts(124,4): Type 'Promise<Awaited<T>>' is not assignable to type 'Promise<T>'.
+  Type 'Awaited<T>' is not assignable to type 'T'.
+    Type 'T | (T extends PromiseLike<infer U> ? U : T)' is not assignable to type 'T'.
+      Type 'T extends PromiseLike<infer U> ? U : T' is not assignable to type 'T'.
+        Type 'unknown' is not assignable to type 'T'.
+[XX:XX:XX] Error: /vscode/extensions/php-language-features/src/features/utils/async.ts(142,3): Type 'Promise<T> | null' is not assignable to type 'Promise<T>'.
+  Type 'null' is not assignable to type 'Promise<T>'.
+[XX:XX:XX] Error: /vscode/extensions/typescript-language-features/src/utils/async.ts(33,4): Type 'Promise<Awaited<T> | null>' is not assignable to type 'Promise<T | null>'.
+  Type 'Awaited<T> | null' is not assignable to type 'T | null'.
+    Type 'Awaited<T>' is not assignable to type 'T | null'.
+      Type 'T | (T extends PromiseLike<infer U> ? U : T)' is not assignable to type 'T | null'.
+        Type 'T extends PromiseLike<infer U> ? U : T' is not assignable to type 'T | null'.
+          Type 'unknown' is not assignable to type 'T | null'.
+            Type 'unknown' is not assignable to type 'T'.
+              Type 'T extends PromiseLike<infer U> ? U : T' is not assignable to type 'T'.
+                Type 'Awaited<T>' is not assignable to type 'T'.
+                  Type 'T | (T extends PromiseLike<infer U> ? U : T)' is not assignable to type 'T'.
+                    Type 'T extends PromiseLike<infer U> ? U : T' is not assignable to type 'T'.
+                      Type 'unknown' is not assignable to type 'T'.
+[XX:XX:XX] Error: /vscode/extensions/typescript-language-features/src/utils/async.ts(53,3): Type 'Promise<T | null> | null' is not assignable to type 'Promise<T | null>'.
+  Type 'null' is not assignable to type 'Promise<T | null>'.
+[XX:XX:XX] Error: /vscode/extensions/typescript-language-features/src/tsServer/cachedResponse.ts(31,4): Type 'Promise<Cancelled | { readonly type: "noContent"; } | T | Awaited<T> | Awaited<T>>' is not assignable to type 'Promise<Response<T>>'.
+[XX:XX:XX] Error: /vscode/extensions/typescript-language-features/src/tsServer/cachedResponse.ts(31,11): Type 'Promise<Cancelled | { readonly type: "noContent"; } | T | Awaited<T> | Awaited<T>>' is not assignable to type 'Promise<Response<T>>'.
+  Type 'Cancelled | { readonly type: "noContent"; } | T | Awaited<T> | Awaited<T>' is not assignable to type 'Response<T>'.
+    Type 'Awaited<T>' is not assignable to type 'Response<T>'.
+      Type 'T | (T extends PromiseLike<infer U> ? U : T)' is not assignable to type 'Response<T>'.
+        Type 'T extends PromiseLike<infer U> ? U : T' is not assignable to type 'Response<T>'.
+          Type 'unknown' is not assignable to type 'Response<T>'.
+            Type 'unknown' is not assignable to type 'T'.
+              Type 'Response' is not assignable to type 'Response<T>'.
+                Type 'Response' is not assignable to type 'T'.
+                  'Response' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint 'Response'.
+                    Type 'T extends PromiseLike<infer U> ? U : T' is not assignable to type 'Cancelled'.
+                      Type 'Response' is not assignable to type 'Response<T>'.
+                        Type 'Response' is not assignable to type 'T'.
+                          'Response' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint 'Response'.
+                            Type 'Awaited<T>' is not assignable to type 'Cancelled'.
+                              Type 'T | (T extends PromiseLike<infer U> ? U : T)' is not assignable to type 'Cancelled'.
+                                Type 'T extends PromiseLike<infer U> ? U : T' is not assignable to type 'Cancelled'.
+                                  Type 'unknown' is not assignable to type 'Cancelled'.
+                                    Type 'Response' is not assignable to type 'Cancelled'.
+                                      Property 'reason' is missing in type 'Response' but required in type 'Cancelled'.
+info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
 
 
 
 Standard error:
+[XX:XX:XX] 'compile' errored after ?s
+[XX:XX:XX] Error: Found 2 errors
+    at Stream.<anonymous> (/vscode/build/lib/reporter.js:74:29)
+    at _end (/vscode/node_modules/through/index.js:65:9)
+    at Stream.stream.end (/vscode/node_modules/through/index.js:74:5)
+    at StreamFilter.onend (/vscode/node_modules/readable-stream/lib/_stream_readable.js:570:10)
+    at Object.onceWrapper (events.js:286:20)
+    at StreamFilter.emit (events.js:203:15)
+    at StreamFilter.EventEmitter.emit (domain.js:466:23)
+    at endReadableNT (/vscode/node_modules/readable-stream/lib/_stream_readable.js:992:12)
+    at process._tickCallback (internal/process/next_tick.js:63:19)
+error Command failed with exit code 1.
diff --git a/tests/baselines/reference/esModuleInteropImportCall.types b/tests/baselines/reference/esModuleInteropImportCall.types
index 59d1de3076822..d557ccffe147b 100644
--- a/tests/baselines/reference/esModuleInteropImportCall.types
+++ b/tests/baselines/reference/esModuleInteropImportCall.types
@@ -9,10 +9,10 @@ export = foo;
 === tests/cases/compiler/index.ts ===
 import("./foo").then(f => {
 >import("./foo").then(f => {    f.default;}) : Promise<void>
->import("./foo").then : <TResult1 = { default: () => void; }, TResult2 = never>(onfulfilled?: (value: { default: () => void; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>import("./foo").then : <TResult1 = { default: () => void; }, TResult2 = never>(onfulfilled?: (value: { default: () => void; }) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >import("./foo") : Promise<{ default: () => void; }>
 >"./foo" : "./foo"
->then : <TResult1 = { default: () => void; }, TResult2 = never>(onfulfilled?: (value: { default: () => void; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = { default: () => void; }, TResult2 = never>(onfulfilled?: (value: { default: () => void; }) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >f => {    f.default;} : (f: { default: () => void; }) => void
 >f : { default: () => void; }
 
diff --git a/tests/baselines/reference/exportDefaultAsyncFunction2.types b/tests/baselines/reference/exportDefaultAsyncFunction2.types
index 0e6ad89ccdfe6..76194df7b18ef 100644
--- a/tests/baselines/reference/exportDefaultAsyncFunction2.types
+++ b/tests/baselines/reference/exportDefaultAsyncFunction2.types
@@ -19,9 +19,9 @@ export default async(() => await(Promise.resolve(1)));
 >await(Promise.resolve(1)) : any
 >await : (...args: any[]) => any
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 === tests/cases/compiler/b.ts ===
diff --git a/tests/baselines/reference/forAwaitForUnion.types b/tests/baselines/reference/forAwaitForUnion.types
index 180197b26eafc..db54e1d0e43f3 100644
--- a/tests/baselines/reference/forAwaitForUnion.types
+++ b/tests/baselines/reference/forAwaitForUnion.types
@@ -4,7 +4,7 @@ async function f<T>(source: Iterable<T> | AsyncIterable<T>) {
 >source : Iterable<T> | AsyncIterable<T>
 
     for await (const x of source) {
->x : T
+>x : T | Awaited<T>
 >source : Iterable<T> | AsyncIterable<T>
     }
 }
diff --git a/tests/baselines/reference/genericFunctionInference1.types b/tests/baselines/reference/genericFunctionInference1.types
index 1974fe17bea80..5184d1b1642de 100644
--- a/tests/baselines/reference/genericFunctionInference1.types
+++ b/tests/baselines/reference/genericFunctionInference1.types
@@ -835,16 +835,16 @@ const fn30: Fn = pipe(
 const promise = Promise.resolve(1);
 >promise : Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 promise.then(
 >promise.then(    pipe(        x => x + 1,        x => x * 2,    ),) : Promise<number>
->promise.then : <TResult1 = number, TResult2 = never>(onfulfilled?: ((value: number) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>promise.then : <TResult1 = number, TResult2 = never>(onfulfilled?: ((value: number) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >promise : Promise<number>
->then : <TResult1 = number, TResult2 = never>(onfulfilled?: ((value: number) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = number, TResult2 = never>(onfulfilled?: ((value: number) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 
     pipe(
 >pipe(        x => x + 1,        x => x * 2,    ) : (x: number) => number
diff --git a/tests/baselines/reference/importCallExpression1ESNext.types b/tests/baselines/reference/importCallExpression1ESNext.types
index 30fe9acd605ea..05b01f35e9e76 100644
--- a/tests/baselines/reference/importCallExpression1ESNext.types
+++ b/tests/baselines/reference/importCallExpression1ESNext.types
@@ -15,9 +15,9 @@ var p1 = import("./0");
 
 p1.then(zero => {
 >p1.then(zero => {    return zero.foo();}) : Promise<string>
->p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p1 : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >zero => {    return zero.foo();} : (zero: typeof import("tests/cases/conformance/dynamicImport/0")) => string
 >zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpression2ESNext.types b/tests/baselines/reference/importCallExpression2ESNext.types
index 80580e35d5362..4236aaeeec0cd 100644
--- a/tests/baselines/reference/importCallExpression2ESNext.types
+++ b/tests/baselines/reference/importCallExpression2ESNext.types
@@ -14,9 +14,9 @@ function foo(x: Promise<any>) {
 
     x.then(value => {
 >x.then(value => {        let b = new value.B();        b.print();    }) : Promise<void>
->x.then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>x.then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >x : Promise<any>
->then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >value => {        let b = new value.B();        b.print();    } : (value: any) => void
 >value : any
 
diff --git a/tests/baselines/reference/importCallExpression4ESNext.types b/tests/baselines/reference/importCallExpression4ESNext.types
index 82ddbf1db6571..af844dce80a85 100644
--- a/tests/baselines/reference/importCallExpression4ESNext.types
+++ b/tests/baselines/reference/importCallExpression4ESNext.types
@@ -38,11 +38,11 @@ class C {
 
         this.myModule.then(Zero => {
 >this.myModule.then(Zero => {            console.log(Zero.foo());        }, async err => {            console.log(err);            let one = await import("./1");            console.log(one.backup());        }) : Promise<void>
->this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >this.myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
 >this : this
 >myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >Zero => {            console.log(Zero.foo());        } : (Zero: typeof import("tests/cases/conformance/dynamicImport/0")) => void
 >Zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionES5AMD.types b/tests/baselines/reference/importCallExpressionES5AMD.types
index ceb6a6fe29962..0ed20be7e019c 100644
--- a/tests/baselines/reference/importCallExpressionES5AMD.types
+++ b/tests/baselines/reference/importCallExpressionES5AMD.types
@@ -15,9 +15,9 @@ var p1 = import("./0");
 
 p1.then(zero => {
 >p1.then(zero => {    return zero.foo();}) : Promise<string>
->p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p1 : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >zero => {    return zero.foo();} : (zero: typeof import("tests/cases/conformance/dynamicImport/0")) => string
 >zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionES5CJS.types b/tests/baselines/reference/importCallExpressionES5CJS.types
index ceb6a6fe29962..0ed20be7e019c 100644
--- a/tests/baselines/reference/importCallExpressionES5CJS.types
+++ b/tests/baselines/reference/importCallExpressionES5CJS.types
@@ -15,9 +15,9 @@ var p1 = import("./0");
 
 p1.then(zero => {
 >p1.then(zero => {    return zero.foo();}) : Promise<string>
->p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p1 : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >zero => {    return zero.foo();} : (zero: typeof import("tests/cases/conformance/dynamicImport/0")) => string
 >zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionES5System.types b/tests/baselines/reference/importCallExpressionES5System.types
index ceb6a6fe29962..0ed20be7e019c 100644
--- a/tests/baselines/reference/importCallExpressionES5System.types
+++ b/tests/baselines/reference/importCallExpressionES5System.types
@@ -15,9 +15,9 @@ var p1 = import("./0");
 
 p1.then(zero => {
 >p1.then(zero => {    return zero.foo();}) : Promise<string>
->p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p1 : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >zero => {    return zero.foo();} : (zero: typeof import("tests/cases/conformance/dynamicImport/0")) => string
 >zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionES5UMD.types b/tests/baselines/reference/importCallExpressionES5UMD.types
index ceb6a6fe29962..0ed20be7e019c 100644
--- a/tests/baselines/reference/importCallExpressionES5UMD.types
+++ b/tests/baselines/reference/importCallExpressionES5UMD.types
@@ -15,9 +15,9 @@ var p1 = import("./0");
 
 p1.then(zero => {
 >p1.then(zero => {    return zero.foo();}) : Promise<string>
->p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p1 : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >zero => {    return zero.foo();} : (zero: typeof import("tests/cases/conformance/dynamicImport/0")) => string
 >zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionES6AMD.types b/tests/baselines/reference/importCallExpressionES6AMD.types
index ceb6a6fe29962..0ed20be7e019c 100644
--- a/tests/baselines/reference/importCallExpressionES6AMD.types
+++ b/tests/baselines/reference/importCallExpressionES6AMD.types
@@ -15,9 +15,9 @@ var p1 = import("./0");
 
 p1.then(zero => {
 >p1.then(zero => {    return zero.foo();}) : Promise<string>
->p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p1 : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >zero => {    return zero.foo();} : (zero: typeof import("tests/cases/conformance/dynamicImport/0")) => string
 >zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionES6CJS.types b/tests/baselines/reference/importCallExpressionES6CJS.types
index ceb6a6fe29962..0ed20be7e019c 100644
--- a/tests/baselines/reference/importCallExpressionES6CJS.types
+++ b/tests/baselines/reference/importCallExpressionES6CJS.types
@@ -15,9 +15,9 @@ var p1 = import("./0");
 
 p1.then(zero => {
 >p1.then(zero => {    return zero.foo();}) : Promise<string>
->p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p1 : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >zero => {    return zero.foo();} : (zero: typeof import("tests/cases/conformance/dynamicImport/0")) => string
 >zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionES6System.types b/tests/baselines/reference/importCallExpressionES6System.types
index ceb6a6fe29962..0ed20be7e019c 100644
--- a/tests/baselines/reference/importCallExpressionES6System.types
+++ b/tests/baselines/reference/importCallExpressionES6System.types
@@ -15,9 +15,9 @@ var p1 = import("./0");
 
 p1.then(zero => {
 >p1.then(zero => {    return zero.foo();}) : Promise<string>
->p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p1 : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >zero => {    return zero.foo();} : (zero: typeof import("tests/cases/conformance/dynamicImport/0")) => string
 >zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionES6UMD.types b/tests/baselines/reference/importCallExpressionES6UMD.types
index ceb6a6fe29962..0ed20be7e019c 100644
--- a/tests/baselines/reference/importCallExpressionES6UMD.types
+++ b/tests/baselines/reference/importCallExpressionES6UMD.types
@@ -15,9 +15,9 @@ var p1 = import("./0");
 
 p1.then(zero => {
 >p1.then(zero => {    return zero.foo();}) : Promise<string>
->p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p1 : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >zero => {    return zero.foo();} : (zero: typeof import("tests/cases/conformance/dynamicImport/0")) => string
 >zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionErrorInES2015.types b/tests/baselines/reference/importCallExpressionErrorInES2015.types
index f0a055e7a0626..49b71795451ac 100644
--- a/tests/baselines/reference/importCallExpressionErrorInES2015.types
+++ b/tests/baselines/reference/importCallExpressionErrorInES2015.types
@@ -15,9 +15,9 @@ var p1 = import("./0");
 
 p1.then(zero => {
 >p1.then(zero => {    return zero.foo();}) : Promise<string>
->p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p1 : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >zero => {    return zero.foo();} : (zero: typeof import("tests/cases/conformance/dynamicImport/0")) => string
 >zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionInAMD1.types b/tests/baselines/reference/importCallExpressionInAMD1.types
index 6d270e686edf2..a700162abce06 100644
--- a/tests/baselines/reference/importCallExpressionInAMD1.types
+++ b/tests/baselines/reference/importCallExpressionInAMD1.types
@@ -15,9 +15,9 @@ var p1 = import("./0");
 
 p1.then(zero => {
 >p1.then(zero => {    return zero.foo();}) : Promise<string>
->p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p1 : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >zero => {    return zero.foo();} : (zero: typeof import("tests/cases/conformance/dynamicImport/0")) => string
 >zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionInAMD2.types b/tests/baselines/reference/importCallExpressionInAMD2.types
index 875118acbac1a..137700d447ac8 100644
--- a/tests/baselines/reference/importCallExpressionInAMD2.types
+++ b/tests/baselines/reference/importCallExpressionInAMD2.types
@@ -15,9 +15,9 @@ function foo(x: Promise<any>) {
 
     x.then(value => {
 >x.then(value => {        let b = new value.B();        b.print();    }) : Promise<void>
->x.then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>x.then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >x : Promise<any>
->then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >value => {        let b = new value.B();        b.print();    } : (value: any) => void
 >value : any
 
diff --git a/tests/baselines/reference/importCallExpressionInAMD4.types b/tests/baselines/reference/importCallExpressionInAMD4.types
index afedd6f4b815f..ccc11b186df69 100644
--- a/tests/baselines/reference/importCallExpressionInAMD4.types
+++ b/tests/baselines/reference/importCallExpressionInAMD4.types
@@ -38,11 +38,11 @@ class C {
 
         this.myModule.then(Zero => {
 >this.myModule.then(Zero => {            console.log(Zero.foo());        }, async err => {            console.log(err);            let one = await import("./1");            console.log(one.backup());        }) : Promise<void>
->this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >this.myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
 >this : this
 >myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >Zero => {            console.log(Zero.foo());        } : (Zero: typeof import("tests/cases/conformance/dynamicImport/0")) => void
 >Zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
@@ -105,11 +105,11 @@ export class D {
 
         this.myModule.then(Zero => {
 >this.myModule.then(Zero => {            console.log(Zero.foo());        }, async err => {            console.log(err);            let one = await import("./1");            console.log(one.backup());        }) : Promise<void>
->this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >this.myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
 >this : this
 >myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >Zero => {            console.log(Zero.foo());        } : (Zero: typeof import("tests/cases/conformance/dynamicImport/0")) => void
 >Zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionInCJS1.types b/tests/baselines/reference/importCallExpressionInCJS1.types
index 6d270e686edf2..a700162abce06 100644
--- a/tests/baselines/reference/importCallExpressionInCJS1.types
+++ b/tests/baselines/reference/importCallExpressionInCJS1.types
@@ -15,9 +15,9 @@ var p1 = import("./0");
 
 p1.then(zero => {
 >p1.then(zero => {    return zero.foo();}) : Promise<string>
->p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p1 : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >zero => {    return zero.foo();} : (zero: typeof import("tests/cases/conformance/dynamicImport/0")) => string
 >zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionInCJS3.types b/tests/baselines/reference/importCallExpressionInCJS3.types
index 875118acbac1a..137700d447ac8 100644
--- a/tests/baselines/reference/importCallExpressionInCJS3.types
+++ b/tests/baselines/reference/importCallExpressionInCJS3.types
@@ -15,9 +15,9 @@ function foo(x: Promise<any>) {
 
     x.then(value => {
 >x.then(value => {        let b = new value.B();        b.print();    }) : Promise<void>
->x.then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>x.then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >x : Promise<any>
->then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >value => {        let b = new value.B();        b.print();    } : (value: any) => void
 >value : any
 
diff --git a/tests/baselines/reference/importCallExpressionInCJS5.types b/tests/baselines/reference/importCallExpressionInCJS5.types
index aea65c1407070..27f001c3ac86d 100644
--- a/tests/baselines/reference/importCallExpressionInCJS5.types
+++ b/tests/baselines/reference/importCallExpressionInCJS5.types
@@ -38,11 +38,11 @@ class C {
 
         this.myModule.then(Zero => {
 >this.myModule.then(Zero => {            console.log(Zero.foo());        }, async err => {            console.log(err);            let one = await import("./1");            console.log(one.backup());        }) : Promise<void>
->this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >this.myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
 >this : this
 >myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >Zero => {            console.log(Zero.foo());        } : (Zero: typeof import("tests/cases/conformance/dynamicImport/0")) => void
 >Zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
@@ -105,11 +105,11 @@ export class D {
 
         this.myModule.then(Zero => {
 >this.myModule.then(Zero => {            console.log(Zero.foo());        }, async err => {            console.log(err);            let one = await import("./1");            console.log(one.backup());        }) : Promise<void>
->this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >this.myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
 >this : this
 >myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >Zero => {            console.log(Zero.foo());        } : (Zero: typeof import("tests/cases/conformance/dynamicImport/0")) => void
 >Zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionInSystem1.types b/tests/baselines/reference/importCallExpressionInSystem1.types
index 6d270e686edf2..a700162abce06 100644
--- a/tests/baselines/reference/importCallExpressionInSystem1.types
+++ b/tests/baselines/reference/importCallExpressionInSystem1.types
@@ -15,9 +15,9 @@ var p1 = import("./0");
 
 p1.then(zero => {
 >p1.then(zero => {    return zero.foo();}) : Promise<string>
->p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p1 : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >zero => {    return zero.foo();} : (zero: typeof import("tests/cases/conformance/dynamicImport/0")) => string
 >zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionInSystem2.types b/tests/baselines/reference/importCallExpressionInSystem2.types
index 875118acbac1a..137700d447ac8 100644
--- a/tests/baselines/reference/importCallExpressionInSystem2.types
+++ b/tests/baselines/reference/importCallExpressionInSystem2.types
@@ -15,9 +15,9 @@ function foo(x: Promise<any>) {
 
     x.then(value => {
 >x.then(value => {        let b = new value.B();        b.print();    }) : Promise<void>
->x.then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>x.then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >x : Promise<any>
->then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >value => {        let b = new value.B();        b.print();    } : (value: any) => void
 >value : any
 
diff --git a/tests/baselines/reference/importCallExpressionInSystem4.types b/tests/baselines/reference/importCallExpressionInSystem4.types
index afedd6f4b815f..ccc11b186df69 100644
--- a/tests/baselines/reference/importCallExpressionInSystem4.types
+++ b/tests/baselines/reference/importCallExpressionInSystem4.types
@@ -38,11 +38,11 @@ class C {
 
         this.myModule.then(Zero => {
 >this.myModule.then(Zero => {            console.log(Zero.foo());        }, async err => {            console.log(err);            let one = await import("./1");            console.log(one.backup());        }) : Promise<void>
->this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >this.myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
 >this : this
 >myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >Zero => {            console.log(Zero.foo());        } : (Zero: typeof import("tests/cases/conformance/dynamicImport/0")) => void
 >Zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
@@ -105,11 +105,11 @@ export class D {
 
         this.myModule.then(Zero => {
 >this.myModule.then(Zero => {            console.log(Zero.foo());        }, async err => {            console.log(err);            let one = await import("./1");            console.log(one.backup());        }) : Promise<void>
->this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >this.myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
 >this : this
 >myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >Zero => {            console.log(Zero.foo());        } : (Zero: typeof import("tests/cases/conformance/dynamicImport/0")) => void
 >Zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionInUMD1.types b/tests/baselines/reference/importCallExpressionInUMD1.types
index 6d270e686edf2..a700162abce06 100644
--- a/tests/baselines/reference/importCallExpressionInUMD1.types
+++ b/tests/baselines/reference/importCallExpressionInUMD1.types
@@ -15,9 +15,9 @@ var p1 = import("./0");
 
 p1.then(zero => {
 >p1.then(zero => {    return zero.foo();}) : Promise<string>
->p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p1.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p1 : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >zero => {    return zero.foo();} : (zero: typeof import("tests/cases/conformance/dynamicImport/0")) => string
 >zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionInUMD2.types b/tests/baselines/reference/importCallExpressionInUMD2.types
index 875118acbac1a..137700d447ac8 100644
--- a/tests/baselines/reference/importCallExpressionInUMD2.types
+++ b/tests/baselines/reference/importCallExpressionInUMD2.types
@@ -15,9 +15,9 @@ function foo(x: Promise<any>) {
 
     x.then(value => {
 >x.then(value => {        let b = new value.B();        b.print();    }) : Promise<void>
->x.then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>x.then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >x : Promise<any>
->then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >value => {        let b = new value.B();        b.print();    } : (value: any) => void
 >value : any
 
diff --git a/tests/baselines/reference/importCallExpressionInUMD4.types b/tests/baselines/reference/importCallExpressionInUMD4.types
index afedd6f4b815f..ccc11b186df69 100644
--- a/tests/baselines/reference/importCallExpressionInUMD4.types
+++ b/tests/baselines/reference/importCallExpressionInUMD4.types
@@ -38,11 +38,11 @@ class C {
 
         this.myModule.then(Zero => {
 >this.myModule.then(Zero => {            console.log(Zero.foo());        }, async err => {            console.log(err);            let one = await import("./1");            console.log(one.backup());        }) : Promise<void>
->this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >this.myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
 >this : this
 >myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >Zero => {            console.log(Zero.foo());        } : (Zero: typeof import("tests/cases/conformance/dynamicImport/0")) => void
 >Zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
@@ -105,11 +105,11 @@ export class D {
 
         this.myModule.then(Zero => {
 >this.myModule.then(Zero => {            console.log(Zero.foo());        }, async err => {            console.log(err);            let one = await import("./1");            console.log(one.backup());        }) : Promise<void>
->this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >this.myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
 >this : this
 >myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >Zero => {            console.log(Zero.foo());        } : (Zero: typeof import("tests/cases/conformance/dynamicImport/0")) => void
 >Zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionNoModuleKindSpecified.types b/tests/baselines/reference/importCallExpressionNoModuleKindSpecified.types
index ef8cdaec2fa72..d0d21d20b98cd 100644
--- a/tests/baselines/reference/importCallExpressionNoModuleKindSpecified.types
+++ b/tests/baselines/reference/importCallExpressionNoModuleKindSpecified.types
@@ -38,11 +38,11 @@ class C {
 
         this.myModule.then(Zero => {
 >this.myModule.then(Zero => {            console.log(Zero.foo());        }, async err => {            console.log(err);            let one = await import("./1");            console.log(one.backup());        }) : Promise<void>
->this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>this.myModule.then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >this.myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
 >this : this
 >myModule : Promise<typeof import("tests/cases/conformance/dynamicImport/0")>
->then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = typeof import("tests/cases/conformance/dynamicImport/0"), TResult2 = never>(onfulfilled?: (value: typeof import("tests/cases/conformance/dynamicImport/0")) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >Zero => {            console.log(Zero.foo());        } : (Zero: typeof import("tests/cases/conformance/dynamicImport/0")) => void
 >Zero : typeof import("tests/cases/conformance/dynamicImport/0")
 
diff --git a/tests/baselines/reference/importCallExpressionReturnPromiseOfAny.types b/tests/baselines/reference/importCallExpressionReturnPromiseOfAny.types
index b5f526adc8e89..57793e9ce7c87 100644
--- a/tests/baselines/reference/importCallExpressionReturnPromiseOfAny.types
+++ b/tests/baselines/reference/importCallExpressionReturnPromiseOfAny.types
@@ -66,9 +66,9 @@ const p2 = import(whatToLoad ? getSpecifier() : "defaulPath") as Promise<typeof
 
 p1.then(zero => {
 >p1.then(zero => {    return zero.foo();  // ok, zero is any}) : Promise<any>
->p1.then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p1.then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p1 : Promise<any>
->then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >zero => {    return zero.foo();  // ok, zero is any} : (zero: any) => any
 >zero : any
 
diff --git a/tests/baselines/reference/importCallExpressionShouldNotGetParen.types b/tests/baselines/reference/importCallExpressionShouldNotGetParen.types
index 3e4001dc5b710..ffb3458bbbdec 100644
--- a/tests/baselines/reference/importCallExpressionShouldNotGetParen.types
+++ b/tests/baselines/reference/importCallExpressionShouldNotGetParen.types
@@ -5,11 +5,11 @@ const localeName = "zh-CN";
 
 import(`./locales/${localeName}.js`).then(bar => {
 >import(`./locales/${localeName}.js`).then(bar => {    let x = bar;}) : Promise<void>
->import(`./locales/${localeName}.js`).then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>import(`./locales/${localeName}.js`).then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >import(`./locales/${localeName}.js`) : Promise<any>
 >`./locales/${localeName}.js` : string
 >localeName : "zh-CN"
->then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >bar => {    let x = bar;} : (bar: any) => void
 >bar : any
 
@@ -21,14 +21,14 @@ import(`./locales/${localeName}.js`).then(bar => {
 
 import("./locales/" + localeName + ".js").then(bar => {
 >import("./locales/" + localeName + ".js").then(bar => {    let x = bar;}) : Promise<void>
->import("./locales/" + localeName + ".js").then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>import("./locales/" + localeName + ".js").then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >import("./locales/" + localeName + ".js") : Promise<any>
 >"./locales/" + localeName + ".js" : string
 >"./locales/" + localeName : string
 >"./locales/" : "./locales/"
 >localeName : "zh-CN"
 >".js" : ".js"
->then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >bar => {    let x = bar;} : (bar: any) => void
 >bar : any
 
diff --git a/tests/baselines/reference/importCallExpressionSpecifierNotStringTypeError.types b/tests/baselines/reference/importCallExpressionSpecifierNotStringTypeError.types
index 6378e7c582be8..d6e3244fa4533 100644
--- a/tests/baselines/reference/importCallExpressionSpecifierNotStringTypeError.types
+++ b/tests/baselines/reference/importCallExpressionSpecifierNotStringTypeError.types
@@ -28,9 +28,9 @@ const p2 = import(whatToLoad ? getSpecifier() : "defaulPath")
 
 p1.then(zero => {
 >p1.then(zero => {    return zero.foo();  // ok, zero is any}) : Promise<any>
->p1.then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p1.then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p1 : Promise<any>
->then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >zero => {    return zero.foo();  // ok, zero is any} : (zero: any) => any
 >zero : any
 
diff --git a/tests/baselines/reference/inferFromGenericFunctionReturnTypes3.symbols b/tests/baselines/reference/inferFromGenericFunctionReturnTypes3.symbols
index ecf867a2bf715..099c5761978d6 100644
--- a/tests/baselines/reference/inferFromGenericFunctionReturnTypes3.symbols
+++ b/tests/baselines/reference/inferFromGenericFunctionReturnTypes3.symbols
@@ -381,9 +381,9 @@ const f1: F = () => {
 >F : Symbol(F, Decl(inferFromGenericFunctionReturnTypes3.ts, 153, 2))
 
     return Promise.all([
->Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --) ... and 6 more)
+>Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
->all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --) ... and 6 more)
+>all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
         {
             name: "David Gomes",
 >name : Symbol(name, Decl(inferFromGenericFunctionReturnTypes3.ts, 159, 9))
diff --git a/tests/baselines/reference/inferFromGenericFunctionReturnTypes3.types b/tests/baselines/reference/inferFromGenericFunctionReturnTypes3.types
index f9192dd11baad..66219c7246c98 100644
--- a/tests/baselines/reference/inferFromGenericFunctionReturnTypes3.types
+++ b/tests/baselines/reference/inferFromGenericFunctionReturnTypes3.types
@@ -7,9 +7,9 @@ function truePromise(): Promise<true> {
 
     return Promise.resolve(true);
 >Promise.resolve(true) : Promise<true>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >true : true
 }
 
@@ -409,14 +409,14 @@ type F = () => Promise<Array<Player>>;
  
 const f1: F = () => {
 >f1 : F
->() => {    return Promise.all([        {            name: "David Gomes",            age: 23,            position: "GOALKEEPER",        }, {            name: "Cristiano Ronaldo",            age: 33,            position: "STRIKER",        }    ]);} : () => Promise<[{ name: string; age: number; position: "GOALKEEPER"; }, { name: string; age: number; position: "STRIKER"; }]>
+>() => {    return Promise.all([        {            name: "David Gomes",            age: 23,            position: "GOALKEEPER",        }, {            name: "Cristiano Ronaldo",            age: 33,            position: "STRIKER",        }    ]);} : () => Promise<({ name: string; age: number; position: "GOALKEEPER"; } | { name: string; age: number; position: "STRIKER"; })[]>
 
     return Promise.all([
->Promise.all([        {            name: "David Gomes",            age: 23,            position: "GOALKEEPER",        }, {            name: "Cristiano Ronaldo",            age: 33,            position: "STRIKER",        }    ]) : Promise<[{ name: string; age: number; position: "GOALKEEPER"; }, { name: string; age: number; position: "STRIKER"; }]>
->Promise.all : { <TAll>(values: Iterable<TAll | PromiseLike<TAll>>): Promise<TAll[]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9]>; <T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8]>; <T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[T1, T2, T3, T4, T5, T6, T7]>; <T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[T1, T2, T3, T4, T5, T6]>; <T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>]): Promise<[T1, T2, T3, T4, T5]>; <T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>]): Promise<[T1, T2, T3, T4]>; <T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[T1, T2, T3]>; <T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[T1, T2]>; <T>(values: readonly (T | PromiseLike<T>)[]): Promise<T[]>; }
+>Promise.all([        {            name: "David Gomes",            age: 23,            position: "GOALKEEPER",        }, {            name: "Cristiano Ronaldo",            age: 33,            position: "STRIKER",        }    ]) : Promise<({ name: string; age: number; position: "GOALKEEPER"; } | { name: string; age: number; position: "STRIKER"; })[]>
+>Promise.all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
 >Promise : PromiseConstructor
->all : { <TAll>(values: Iterable<TAll | PromiseLike<TAll>>): Promise<TAll[]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9]>; <T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8]>; <T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[T1, T2, T3, T4, T5, T6, T7]>; <T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[T1, T2, T3, T4, T5, T6]>; <T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>]): Promise<[T1, T2, T3, T4, T5]>; <T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>]): Promise<[T1, T2, T3, T4]>; <T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[T1, T2, T3]>; <T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[T1, T2]>; <T>(values: readonly (T | PromiseLike<T>)[]): Promise<T[]>; }
->[        {            name: "David Gomes",            age: 23,            position: "GOALKEEPER",        }, {            name: "Cristiano Ronaldo",            age: 33,            position: "STRIKER",        }    ] : [{ name: string; age: number; position: "GOALKEEPER"; }, { name: string; age: number; position: "STRIKER"; }]
+>all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
+>[        {            name: "David Gomes",            age: 23,            position: "GOALKEEPER",        }, {            name: "Cristiano Ronaldo",            age: 33,            position: "STRIKER",        }    ] : ({ name: string; age: number; position: "GOALKEEPER"; } | { name: string; age: number; position: "STRIKER"; })[]
         {
 >{            name: "David Gomes",            age: 23,            position: "GOALKEEPER",        } : { name: string; age: number; position: "GOALKEEPER"; }
 
diff --git a/tests/baselines/reference/inferenceLimit.symbols b/tests/baselines/reference/inferenceLimit.symbols
index 4b7091a05857e..2c2a43c35bb52 100644
--- a/tests/baselines/reference/inferenceLimit.symbols
+++ b/tests/baselines/reference/inferenceLimit.symbols
@@ -61,9 +61,9 @@ export class BrokenClass {
 
     return Promise.all(result.map(populateItems))
 >Promise.all(result.map(populateItems))      .then : Symbol(Promise.then, Decl(lib.es5.d.ts, --, --))
->Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --) ... and 6 more)
+>Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
->all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --) ... and 6 more)
+>all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
 >result.map : Symbol(Array.map, Decl(lib.es5.d.ts, --, --))
 >result : Symbol(result, Decl(file1.ts, 10, 7))
 >map : Symbol(Array.map, Decl(lib.es5.d.ts, --, --))
diff --git a/tests/baselines/reference/inferenceLimit.types b/tests/baselines/reference/inferenceLimit.types
index fc2836e6dea9c..8c8ab3b88eaea 100644
--- a/tests/baselines/reference/inferenceLimit.types
+++ b/tests/baselines/reference/inferenceLimit.types
@@ -42,7 +42,7 @@ export class BrokenClass {
 
         this.doStuff(order.id)
 >this.doStuff(order.id)          .then((items) => {            order.items = items;            resolve(order);          }) : Promise<void>
->this.doStuff(order.id)          .then : <TResult1 = void, TResult2 = never>(onfulfilled?: (value: void) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>this.doStuff(order.id)          .then : <TResult1 = void, TResult2 = never>(onfulfilled?: (value: void) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >this.doStuff(order.id) : Promise<void>
 >this.doStuff : (id: number) => Promise<void>
 >this : this
@@ -52,7 +52,7 @@ export class BrokenClass {
 >id : any
 
           .then((items) => {
->then : <TResult1 = void, TResult2 = never>(onfulfilled?: (value: void) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = void, TResult2 = never>(onfulfilled?: (value: void) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >(items) => {            order.items = items;            resolve(order);          } : (items: void) => void
 >items : void
 
@@ -74,11 +74,11 @@ export class BrokenClass {
 
     return Promise.all(result.map(populateItems))
 >Promise.all(result.map(populateItems))      .then((orders: Array<MyModule.MyModel>) => {        resolve(orders);      }) : Promise<void>
->Promise.all(result.map(populateItems))      .then : <TResult1 = unknown[], TResult2 = never>(onfulfilled?: (value: unknown[]) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>Promise.all(result.map(populateItems))      .then : <TResult1 = unknown[], TResult2 = never>(onfulfilled?: (value: unknown[]) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >Promise.all(result.map(populateItems)) : Promise<unknown[]>
->Promise.all : { <TAll>(values: Iterable<TAll | PromiseLike<TAll>>): Promise<TAll[]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9]>; <T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8]>; <T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[T1, T2, T3, T4, T5, T6, T7]>; <T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[T1, T2, T3, T4, T5, T6]>; <T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>]): Promise<[T1, T2, T3, T4, T5]>; <T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>]): Promise<[T1, T2, T3, T4]>; <T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[T1, T2, T3]>; <T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[T1, T2]>; <T>(values: readonly (T | PromiseLike<T>)[]): Promise<T[]>; }
+>Promise.all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
 >Promise : PromiseConstructor
->all : { <TAll>(values: Iterable<TAll | PromiseLike<TAll>>): Promise<TAll[]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9]>; <T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8]>; <T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[T1, T2, T3, T4, T5, T6, T7]>; <T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[T1, T2, T3, T4, T5, T6]>; <T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>]): Promise<[T1, T2, T3, T4, T5]>; <T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>]): Promise<[T1, T2, T3, T4]>; <T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[T1, T2, T3]>; <T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[T1, T2]>; <T>(values: readonly (T | PromiseLike<T>)[]): Promise<T[]>; }
+>all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
 >result.map(populateItems) : Promise<unknown>[]
 >result.map : <U>(callbackfn: (value: MyModule.MyModel, index: number, array: MyModule.MyModel[]) => U, thisArg?: any) => U[]
 >result : MyModule.MyModel[]
@@ -86,7 +86,7 @@ export class BrokenClass {
 >populateItems : (order: any) => Promise<unknown>
 
       .then((orders: Array<MyModule.MyModel>) => {
->then : <TResult1 = unknown[], TResult2 = never>(onfulfilled?: (value: unknown[]) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = unknown[], TResult2 = never>(onfulfilled?: (value: unknown[]) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >(orders: Array<MyModule.MyModel>) => {        resolve(orders);      } : (orders: MyModule.MyModel[]) => void
 >orders : MyModule.MyModel[]
 >MyModule : any
diff --git a/tests/baselines/reference/instantiateContextualTypes.types b/tests/baselines/reference/instantiateContextualTypes.types
index b5317b6f7561f..7532d81235456 100644
--- a/tests/baselines/reference/instantiateContextualTypes.types
+++ b/tests/baselines/reference/instantiateContextualTypes.types
@@ -340,12 +340,12 @@ class Interesting {
 
 		return Promise.resolve().then(() => {
 >Promise.resolve().then(() => {			if (1 < 2) {				return 'SOMETHING';			}			return 'ELSE';		}) : Promise<DooDad>
->Promise.resolve().then : <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>Promise.resolve().then : <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >Promise.resolve() : Promise<void>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
->then : <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
+>then : <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {			if (1 < 2) {				return 'SOMETHING';			}			return 'ELSE';		} : () => "SOMETHING" | "ELSE"
 
 			if (1 < 2) {
@@ -367,12 +367,12 @@ class Interesting {
 
 		return Promise.resolve().then(() => {
 >Promise.resolve().then(() => {			return 'ELSE';		}) : Promise<DooDad>
->Promise.resolve().then : <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>Promise.resolve().then : <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >Promise.resolve() : Promise<void>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
->then : <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
+>then : <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {			return 'ELSE';		} : () => "ELSE"
 
 			return 'ELSE';
@@ -386,12 +386,12 @@ class Interesting {
 
 		return Promise.resolve().then(() => {
 >Promise.resolve().then(() => {			if (1 < 2) {				return 'SOMETHING';			}			return 'SOMETHING';		}) : Promise<DooDad>
->Promise.resolve().then : <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>Promise.resolve().then : <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >Promise.resolve() : Promise<void>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
->then : <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
+>then : <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {			if (1 < 2) {				return 'SOMETHING';			}			return 'SOMETHING';		} : () => "SOMETHING"
 
 			if (1 < 2) {
diff --git a/tests/baselines/reference/jsdocArrayObjectPromiseImplicitAny.types b/tests/baselines/reference/jsdocArrayObjectPromiseImplicitAny.types
index 3fab5033c2305..8b481ff7a35af 100644
--- a/tests/baselines/reference/jsdocArrayObjectPromiseImplicitAny.types
+++ b/tests/baselines/reference/jsdocArrayObjectPromiseImplicitAny.types
@@ -27,18 +27,18 @@ function returnAnyArray(arr) {
 var anyPromise = Promise.resolve(5);
 >anyPromise : Promise<any>
 >Promise.resolve(5) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >5 : 5
 
 /** @type {Promise<number>} */
 var numberPromise = Promise.resolve(5);
 >numberPromise : Promise<number>
 >Promise.resolve(5) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >5 : 5
 
 /**
diff --git a/tests/baselines/reference/jsdocArrayObjectPromiseNoImplicitAny.types b/tests/baselines/reference/jsdocArrayObjectPromiseNoImplicitAny.types
index 82ff886f1ec68..a8d71f243f5c5 100644
--- a/tests/baselines/reference/jsdocArrayObjectPromiseNoImplicitAny.types
+++ b/tests/baselines/reference/jsdocArrayObjectPromiseNoImplicitAny.types
@@ -27,18 +27,18 @@ function returnNotAnyArray(arr) {
 var notAnyPromise = Promise.resolve(5);
 >notAnyPromise : Promise<any>
 >Promise.resolve(5) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >5 : 5
 
 /** @type {Promise<number>} */
 var numberPromise = Promise.resolve(5);
 >numberPromise : Promise<number>
 >Promise.resolve(5) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >5 : 5
 
 /**
diff --git a/tests/baselines/reference/mappedTypesArraysTuples.js b/tests/baselines/reference/mappedTypesArraysTuples.js
index 7bd4b03a6e54f..516cf6685e996 100644
--- a/tests/baselines/reference/mappedTypesArraysTuples.js
+++ b/tests/baselines/reference/mappedTypesArraysTuples.js
@@ -58,7 +58,6 @@ let y21 = nonpartial(x21);
 declare let x22: { a: number | undefined, b?: string[] };
 let y22 = nonpartial(x22);
 
-type Awaited<T> = T extends PromiseLike<infer U> ? U : T;
 type Awaitified<T> = { [P in keyof T]: Awaited<T[P]> };
 
 declare function all<T extends any[]>(...values: T): Promise<Awaitified<T>>;
@@ -189,7 +188,6 @@ declare let y22: {
     a: number;
     b: string[];
 };
-declare type Awaited<T> = T extends PromiseLike<infer U> ? U : T;
 declare type Awaitified<T> = {
     [P in keyof T]: Awaited<T[P]>;
 };
diff --git a/tests/baselines/reference/mappedTypesArraysTuples.symbols b/tests/baselines/reference/mappedTypesArraysTuples.symbols
index 48a3979585c7e..ef4f4f36945ca 100644
--- a/tests/baselines/reference/mappedTypesArraysTuples.symbols
+++ b/tests/baselines/reference/mappedTypesArraysTuples.symbols
@@ -214,173 +214,164 @@ let y22 = nonpartial(x22);
 >nonpartial : Symbol(nonpartial, Decl(mappedTypesArraysTuples.ts, 46, 24))
 >x22 : Symbol(x22, Decl(mappedTypesArraysTuples.ts, 56, 11))
 
-type Awaited<T> = T extends PromiseLike<infer U> ? U : T;
->Awaited : Symbol(Awaited, Decl(mappedTypesArraysTuples.ts, 57, 26))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 59, 13))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 59, 13))
->PromiseLike : Symbol(PromiseLike, Decl(lib.es5.d.ts, --, --))
->U : Symbol(U, Decl(mappedTypesArraysTuples.ts, 59, 45))
->U : Symbol(U, Decl(mappedTypesArraysTuples.ts, 59, 45))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 59, 13))
-
 type Awaitified<T> = { [P in keyof T]: Awaited<T[P]> };
->Awaitified : Symbol(Awaitified, Decl(mappedTypesArraysTuples.ts, 59, 57))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 60, 16))
->P : Symbol(P, Decl(mappedTypesArraysTuples.ts, 60, 24))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 60, 16))
->Awaited : Symbol(Awaited, Decl(mappedTypesArraysTuples.ts, 57, 26))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 60, 16))
->P : Symbol(P, Decl(mappedTypesArraysTuples.ts, 60, 24))
+>Awaitified : Symbol(Awaitified, Decl(mappedTypesArraysTuples.ts, 57, 26))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 59, 16))
+>P : Symbol(P, Decl(mappedTypesArraysTuples.ts, 59, 24))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 59, 16))
+>Awaited : Symbol(Awaited, Decl(lib.es5.d.ts, --, --))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 59, 16))
+>P : Symbol(P, Decl(mappedTypesArraysTuples.ts, 59, 24))
 
 declare function all<T extends any[]>(...values: T): Promise<Awaitified<T>>;
->all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 60, 55))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 62, 21))
->values : Symbol(values, Decl(mappedTypesArraysTuples.ts, 62, 38))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 62, 21))
+>all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 59, 55))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 61, 21))
+>values : Symbol(values, Decl(mappedTypesArraysTuples.ts, 61, 38))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 61, 21))
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --))
->Awaitified : Symbol(Awaitified, Decl(mappedTypesArraysTuples.ts, 59, 57))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 62, 21))
+>Awaitified : Symbol(Awaitified, Decl(mappedTypesArraysTuples.ts, 57, 26))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 61, 21))
 
 function f1(a: number, b: Promise<number>, c: string[], d: Promise<string[]>) {
->f1 : Symbol(f1, Decl(mappedTypesArraysTuples.ts, 62, 76))
->a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 64, 12))
->b : Symbol(b, Decl(mappedTypesArraysTuples.ts, 64, 22))
+>f1 : Symbol(f1, Decl(mappedTypesArraysTuples.ts, 61, 76))
+>a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 63, 12))
+>b : Symbol(b, Decl(mappedTypesArraysTuples.ts, 63, 22))
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --))
->c : Symbol(c, Decl(mappedTypesArraysTuples.ts, 64, 42))
->d : Symbol(d, Decl(mappedTypesArraysTuples.ts, 64, 55))
+>c : Symbol(c, Decl(mappedTypesArraysTuples.ts, 63, 42))
+>d : Symbol(d, Decl(mappedTypesArraysTuples.ts, 63, 55))
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --))
 
     let x1 = all(a);
->x1 : Symbol(x1, Decl(mappedTypesArraysTuples.ts, 65, 7))
->all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 60, 55))
->a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 64, 12))
+>x1 : Symbol(x1, Decl(mappedTypesArraysTuples.ts, 64, 7))
+>all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 59, 55))
+>a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 63, 12))
 
     let x2 = all(a, b);
->x2 : Symbol(x2, Decl(mappedTypesArraysTuples.ts, 66, 7))
->all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 60, 55))
->a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 64, 12))
->b : Symbol(b, Decl(mappedTypesArraysTuples.ts, 64, 22))
+>x2 : Symbol(x2, Decl(mappedTypesArraysTuples.ts, 65, 7))
+>all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 59, 55))
+>a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 63, 12))
+>b : Symbol(b, Decl(mappedTypesArraysTuples.ts, 63, 22))
 
     let x3 = all(a, b, c);
->x3 : Symbol(x3, Decl(mappedTypesArraysTuples.ts, 67, 7))
->all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 60, 55))
->a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 64, 12))
->b : Symbol(b, Decl(mappedTypesArraysTuples.ts, 64, 22))
->c : Symbol(c, Decl(mappedTypesArraysTuples.ts, 64, 42))
+>x3 : Symbol(x3, Decl(mappedTypesArraysTuples.ts, 66, 7))
+>all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 59, 55))
+>a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 63, 12))
+>b : Symbol(b, Decl(mappedTypesArraysTuples.ts, 63, 22))
+>c : Symbol(c, Decl(mappedTypesArraysTuples.ts, 63, 42))
 
     let x4 = all(a, b, c, d);
->x4 : Symbol(x4, Decl(mappedTypesArraysTuples.ts, 68, 7))
->all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 60, 55))
->a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 64, 12))
->b : Symbol(b, Decl(mappedTypesArraysTuples.ts, 64, 22))
->c : Symbol(c, Decl(mappedTypesArraysTuples.ts, 64, 42))
->d : Symbol(d, Decl(mappedTypesArraysTuples.ts, 64, 55))
+>x4 : Symbol(x4, Decl(mappedTypesArraysTuples.ts, 67, 7))
+>all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 59, 55))
+>a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 63, 12))
+>b : Symbol(b, Decl(mappedTypesArraysTuples.ts, 63, 22))
+>c : Symbol(c, Decl(mappedTypesArraysTuples.ts, 63, 42))
+>d : Symbol(d, Decl(mappedTypesArraysTuples.ts, 63, 55))
 }
 
 function f2<T extends any[]>(a: Boxified<T>) {
->f2 : Symbol(f2, Decl(mappedTypesArraysTuples.ts, 69, 1))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 71, 12))
->a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 71, 29))
+>f2 : Symbol(f2, Decl(mappedTypesArraysTuples.ts, 68, 1))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 70, 12))
+>a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 70, 29))
 >Boxified : Symbol(Boxified, Decl(mappedTypesArraysTuples.ts, 0, 27))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 71, 12))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 70, 12))
 
     let x: Box<any> | undefined = a.pop();
->x : Symbol(x, Decl(mappedTypesArraysTuples.ts, 72, 7))
+>x : Symbol(x, Decl(mappedTypesArraysTuples.ts, 71, 7))
 >Box : Symbol(Box, Decl(mappedTypesArraysTuples.ts, 0, 0))
 >a.pop : Symbol(Array.pop, Decl(lib.es5.d.ts, --, --))
->a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 71, 29))
+>a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 70, 29))
 >pop : Symbol(Array.pop, Decl(lib.es5.d.ts, --, --))
 
     let y: Box<any>[] = a.concat(a);
->y : Symbol(y, Decl(mappedTypesArraysTuples.ts, 73, 7))
+>y : Symbol(y, Decl(mappedTypesArraysTuples.ts, 72, 7))
 >Box : Symbol(Box, Decl(mappedTypesArraysTuples.ts, 0, 0))
 >a.concat : Symbol(Array.concat, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
->a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 71, 29))
+>a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 70, 29))
 >concat : Symbol(Array.concat, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
->a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 71, 29))
+>a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 70, 29))
 }
 
 // Repro from #26163
 
 type ElementType<T> = T extends Array<infer U> ? U : never;
->ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 74, 1))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 78, 17))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 78, 17))
+>ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 73, 1))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 77, 17))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 77, 17))
 >Array : Symbol(Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
->U : Symbol(U, Decl(mappedTypesArraysTuples.ts, 78, 43))
->U : Symbol(U, Decl(mappedTypesArraysTuples.ts, 78, 43))
+>U : Symbol(U, Decl(mappedTypesArraysTuples.ts, 77, 43))
+>U : Symbol(U, Decl(mappedTypesArraysTuples.ts, 77, 43))
 
 type Mapped<T> = { [K in keyof T]: T[K] };
->Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 78, 59))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 79, 12))
->K : Symbol(K, Decl(mappedTypesArraysTuples.ts, 79, 20))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 79, 12))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 79, 12))
->K : Symbol(K, Decl(mappedTypesArraysTuples.ts, 79, 20))
+>Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 77, 59))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 78, 12))
+>K : Symbol(K, Decl(mappedTypesArraysTuples.ts, 78, 20))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 78, 12))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 78, 12))
+>K : Symbol(K, Decl(mappedTypesArraysTuples.ts, 78, 20))
 
 type F<T> = ElementType<Mapped<T>>;
->F : Symbol(F, Decl(mappedTypesArraysTuples.ts, 79, 42))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 81, 7))
->ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 74, 1))
->Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 78, 59))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 81, 7))
+>F : Symbol(F, Decl(mappedTypesArraysTuples.ts, 78, 42))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 80, 7))
+>ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 73, 1))
+>Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 77, 59))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 80, 7))
 
 type R1 = F<[string, number, boolean]>;  // string | number | boolean
->R1 : Symbol(R1, Decl(mappedTypesArraysTuples.ts, 81, 35))
->F : Symbol(F, Decl(mappedTypesArraysTuples.ts, 79, 42))
+>R1 : Symbol(R1, Decl(mappedTypesArraysTuples.ts, 80, 35))
+>F : Symbol(F, Decl(mappedTypesArraysTuples.ts, 78, 42))
 
 type R2 = ElementType<Mapped<[string, number, boolean]>>;  // string | number | boolean
->R2 : Symbol(R2, Decl(mappedTypesArraysTuples.ts, 82, 39))
->ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 74, 1))
->Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 78, 59))
+>R2 : Symbol(R2, Decl(mappedTypesArraysTuples.ts, 81, 39))
+>ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 73, 1))
+>Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 77, 59))
 
 // Repro from #26163
 
 declare function acceptArray(arr: any[]): void;
->acceptArray : Symbol(acceptArray, Decl(mappedTypesArraysTuples.ts, 83, 57))
->arr : Symbol(arr, Decl(mappedTypesArraysTuples.ts, 87, 29))
+>acceptArray : Symbol(acceptArray, Decl(mappedTypesArraysTuples.ts, 82, 57))
+>arr : Symbol(arr, Decl(mappedTypesArraysTuples.ts, 86, 29))
 
 declare function mapArray<T extends any[]>(arr: T): Mapped<T>;
->mapArray : Symbol(mapArray, Decl(mappedTypesArraysTuples.ts, 87, 47))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 88, 26))
->arr : Symbol(arr, Decl(mappedTypesArraysTuples.ts, 88, 43))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 88, 26))
->Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 78, 59))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 88, 26))
+>mapArray : Symbol(mapArray, Decl(mappedTypesArraysTuples.ts, 86, 47))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 87, 26))
+>arr : Symbol(arr, Decl(mappedTypesArraysTuples.ts, 87, 43))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 87, 26))
+>Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 77, 59))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 87, 26))
 
 function acceptMappedArray<T extends any[]>(arr: T) {
->acceptMappedArray : Symbol(acceptMappedArray, Decl(mappedTypesArraysTuples.ts, 88, 62))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 89, 27))
->arr : Symbol(arr, Decl(mappedTypesArraysTuples.ts, 89, 44))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 89, 27))
+>acceptMappedArray : Symbol(acceptMappedArray, Decl(mappedTypesArraysTuples.ts, 87, 62))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 88, 27))
+>arr : Symbol(arr, Decl(mappedTypesArraysTuples.ts, 88, 44))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 88, 27))
 
     acceptArray(mapArray(arr));
->acceptArray : Symbol(acceptArray, Decl(mappedTypesArraysTuples.ts, 83, 57))
->mapArray : Symbol(mapArray, Decl(mappedTypesArraysTuples.ts, 87, 47))
->arr : Symbol(arr, Decl(mappedTypesArraysTuples.ts, 89, 44))
+>acceptArray : Symbol(acceptArray, Decl(mappedTypesArraysTuples.ts, 82, 57))
+>mapArray : Symbol(mapArray, Decl(mappedTypesArraysTuples.ts, 86, 47))
+>arr : Symbol(arr, Decl(mappedTypesArraysTuples.ts, 88, 44))
 }
 
 // Repro from #26163
 
 type Unconstrained<T> = ElementType<Mapped<T>>;
->Unconstrained : Symbol(Unconstrained, Decl(mappedTypesArraysTuples.ts, 91, 1))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 95, 19))
->ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 74, 1))
->Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 78, 59))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 95, 19))
+>Unconstrained : Symbol(Unconstrained, Decl(mappedTypesArraysTuples.ts, 90, 1))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 94, 19))
+>ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 73, 1))
+>Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 77, 59))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 94, 19))
 
 type T1 = Unconstrained<[string, number, boolean]>;  // string | number | boolean
->T1 : Symbol(T1, Decl(mappedTypesArraysTuples.ts, 95, 47))
->Unconstrained : Symbol(Unconstrained, Decl(mappedTypesArraysTuples.ts, 91, 1))
+>T1 : Symbol(T1, Decl(mappedTypesArraysTuples.ts, 94, 47))
+>Unconstrained : Symbol(Unconstrained, Decl(mappedTypesArraysTuples.ts, 90, 1))
 
 type Constrained<T extends any[]> = ElementType<Mapped<T>>;
->Constrained : Symbol(Constrained, Decl(mappedTypesArraysTuples.ts, 96, 51))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 98, 17))
->ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 74, 1))
->Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 78, 59))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 98, 17))
+>Constrained : Symbol(Constrained, Decl(mappedTypesArraysTuples.ts, 95, 51))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 97, 17))
+>ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 73, 1))
+>Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 77, 59))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 97, 17))
 
 type T2 = Constrained<[string, number, boolean]>;  // string | number | boolean
->T2 : Symbol(T2, Decl(mappedTypesArraysTuples.ts, 98, 59))
->Constrained : Symbol(Constrained, Decl(mappedTypesArraysTuples.ts, 96, 51))
+>T2 : Symbol(T2, Decl(mappedTypesArraysTuples.ts, 97, 59))
+>Constrained : Symbol(Constrained, Decl(mappedTypesArraysTuples.ts, 95, 51))
 
diff --git a/tests/baselines/reference/mappedTypesArraysTuples.types b/tests/baselines/reference/mappedTypesArraysTuples.types
index 2ec00ad565e3e..62fdd252f24f3 100644
--- a/tests/baselines/reference/mappedTypesArraysTuples.types
+++ b/tests/baselines/reference/mappedTypesArraysTuples.types
@@ -152,9 +152,6 @@ let y22 = nonpartial(x22);
 >nonpartial : <T>(x: Partial<T>) => T
 >x22 : { a: number | undefined; b?: string[] | undefined; }
 
-type Awaited<T> = T extends PromiseLike<infer U> ? U : T;
->Awaited : Awaited<T>
-
 type Awaitified<T> = { [P in keyof T]: Awaited<T[P]> };
 >Awaitified : Awaitified<T>
 
diff --git a/tests/baselines/reference/modularizeLibrary_NoErrorDuplicateLibOptions1.types b/tests/baselines/reference/modularizeLibrary_NoErrorDuplicateLibOptions1.types
index c9a0476c2adcf..6235b2baf3ac1 100644
--- a/tests/baselines/reference/modularizeLibrary_NoErrorDuplicateLibOptions1.types
+++ b/tests/baselines/reference/modularizeLibrary_NoErrorDuplicateLibOptions1.types
@@ -148,10 +148,10 @@ declare var console: any;
 
 out().then(() => {
 >out().then(() => {    console.log("Yea!");}) : Promise<void>
->out().then : <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>out().then : <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >out() : Promise<unknown>
 >out : () => Promise<unknown>
->then : <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {    console.log("Yea!");} : () => void
 
     console.log("Yea!");
diff --git a/tests/baselines/reference/modularizeLibrary_NoErrorDuplicateLibOptions2.types b/tests/baselines/reference/modularizeLibrary_NoErrorDuplicateLibOptions2.types
index a695213a42ccd..8f60ef61bbe4f 100644
--- a/tests/baselines/reference/modularizeLibrary_NoErrorDuplicateLibOptions2.types
+++ b/tests/baselines/reference/modularizeLibrary_NoErrorDuplicateLibOptions2.types
@@ -148,10 +148,10 @@ declare var console: any;
 
 out().then(() => {
 >out().then(() => {    console.log("Yea!");}) : Promise<void>
->out().then : <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>out().then : <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >out() : Promise<unknown>
 >out : () => Promise<unknown>
->then : <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {    console.log("Yea!");} : () => void
 
     console.log("Yea!");
diff --git a/tests/baselines/reference/modularizeLibrary_TargetES5UsingES6Lib.types b/tests/baselines/reference/modularizeLibrary_TargetES5UsingES6Lib.types
index 3e7c23fde87ac..71e73c06e9034 100644
--- a/tests/baselines/reference/modularizeLibrary_TargetES5UsingES6Lib.types
+++ b/tests/baselines/reference/modularizeLibrary_TargetES5UsingES6Lib.types
@@ -148,10 +148,10 @@ declare var console: any;
 
 out().then(() => {
 >out().then(() => {    console.log("Yea!");}) : Promise<void>
->out().then : <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>out().then : <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >out() : Promise<unknown>
 >out : () => Promise<unknown>
->then : <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {    console.log("Yea!");} : () => void
 
     console.log("Yea!");
diff --git a/tests/baselines/reference/noImplicitReturnsInAsync1.types b/tests/baselines/reference/noImplicitReturnsInAsync1.types
index dd468d33e6e21..83d42b1d79483 100644
--- a/tests/baselines/reference/noImplicitReturnsInAsync1.types
+++ b/tests/baselines/reference/noImplicitReturnsInAsync1.types
@@ -15,8 +15,8 @@ async function test(isError: boolean = false) {
 >x : string
 >await Promise.resolve("The test is passed without an error.") : string
 >Promise.resolve("The test is passed without an error.") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"The test is passed without an error." : "The test is passed without an error."
 }
diff --git a/tests/baselines/reference/optionalFunctionArgAssignability.types b/tests/baselines/reference/optionalFunctionArgAssignability.types
index a1975cc3645e0..936614f71afb7 100644
--- a/tests/baselines/reference/optionalFunctionArgAssignability.types
+++ b/tests/baselines/reference/optionalFunctionArgAssignability.types
@@ -1,7 +1,7 @@
 === tests/cases/compiler/optionalFunctionArgAssignability.ts ===
 interface Promise<T> {
     then<U>(onFulfill?: (value: T) => U, onReject?: (reason: any) => U): Promise<U>;
->then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(onFulfill?: (value: T) => U, onReject?: (reason: any) => U): Promise<U>; }
+>then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(onFulfill?: (value: T) => U, onReject?: (reason: any) => U): Promise<U>; }
 >onFulfill : (value: T) => U
 >value : T
 >onReject : (reason: any) => U
diff --git a/tests/baselines/reference/promisePermutations.errors.txt b/tests/baselines/reference/promisePermutations.errors.txt
index 8b70977a0e5a2..877cd5485043b 100644
--- a/tests/baselines/reference/promisePermutations.errors.txt
+++ b/tests/baselines/reference/promisePermutations.errors.txt
@@ -124,7 +124,7 @@ tests/cases/compiler/promisePermutations.ts(160,21): error TS2769: No overload m
     Argument of type '{ (x: number): Promise<number>; (x: string): Promise<string>; }' is not assignable to parameter of type '(value: number) => IPromise<string>'.
       Call signature return types 'Promise<number>' and 'IPromise<string>' are incompatible.
         The types of 'then' are incompatible between these types.
-          Type '{ <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }' is not assignable to type '{ <U>(success?: (value: string) => IPromise<U>, error?: (error: any) => IPromise<U>, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => IPromise<U>, error?: (error: any) => U, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => U, error?: (error: any) => IPromise<U>, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): IPromise<U>; }'.
+          Type '{ <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }' is not assignable to type '{ <U>(success?: (value: string) => IPromise<U>, error?: (error: any) => IPromise<U>, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => IPromise<U>, error?: (error: any) => U, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => U, error?: (error: any) => IPromise<U>, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): IPromise<U>; }'.
             Types of parameters 'onfulfilled' and 'success' are incompatible.
               Types of parameters 'value' and 'value' are incompatible.
                 Type 'number' is not assignable to type 'string'.
@@ -447,7 +447,7 @@ tests/cases/compiler/promisePermutations.ts(160,21): error TS2769: No overload m
 !!! error TS2769:   The last overload gave the following error.
 !!! error TS2769:     Argument of type '(x: any) => IPromise<string>' is not assignable to parameter of type '(error: any) => Promise<number>'.
 !!! error TS2769:       Property 'catch' is missing in type 'IPromise<string>' but required in type 'Promise<number>'.
-!!! related TS2728 /.ts/lib.es5.d.ts:1430:5: 'catch' is declared here.
+!!! related TS2728 /.ts/lib.es5.d.ts:1436:5: 'catch' is declared here.
 !!! related TS2771 tests/cases/compiler/promisePermutations.ts:5:5: The last overload is declared here.
     var s10g = s10.then(testFunctionP, nIPromise, sIPromise).then(sPromise, sIPromise, sIPromise); // ok
     
@@ -483,7 +483,7 @@ tests/cases/compiler/promisePermutations.ts(160,21): error TS2769: No overload m
 !!! error TS2769:     Argument of type '{ (x: number): Promise<number>; (x: string): Promise<string>; }' is not assignable to parameter of type '(value: number) => IPromise<string>'.
 !!! error TS2769:       Call signature return types 'Promise<number>' and 'IPromise<string>' are incompatible.
 !!! error TS2769:         The types of 'then' are incompatible between these types.
-!!! error TS2769:           Type '{ <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }' is not assignable to type '{ <U>(success?: (value: string) => IPromise<U>, error?: (error: any) => IPromise<U>, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => IPromise<U>, error?: (error: any) => U, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => U, error?: (error: any) => IPromise<U>, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): IPromise<U>; }'.
+!!! error TS2769:           Type '{ <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }' is not assignable to type '{ <U>(success?: (value: string) => IPromise<U>, error?: (error: any) => IPromise<U>, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => IPromise<U>, error?: (error: any) => U, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => U, error?: (error: any) => IPromise<U>, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): IPromise<U>; }'.
 !!! error TS2769:             Types of parameters 'onfulfilled' and 'success' are incompatible.
 !!! error TS2769:               Types of parameters 'value' and 'value' are incompatible.
 !!! error TS2769:                 Type 'number' is not assignable to type 'string'.
diff --git a/tests/baselines/reference/promisePermutations.types b/tests/baselines/reference/promisePermutations.types
index 0dbe5f7ec0eb0..01e07a0f71ecf 100644
--- a/tests/baselines/reference/promisePermutations.types
+++ b/tests/baselines/reference/promisePermutations.types
@@ -1,7 +1,7 @@
 === tests/cases/compiler/promisePermutations.ts ===
 interface Promise<T> {
     then<U>(success?: (value: T) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>;
->then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >success : (value: T) => Promise<U>
 >value : T
 >error : (error: any) => Promise<U>
@@ -10,7 +10,7 @@ interface Promise<T> {
 >progress : any
 
     then<U>(success?: (value: T) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>;
->then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >success : (value: T) => Promise<U>
 >value : T
 >error : (error: any) => U
@@ -19,7 +19,7 @@ interface Promise<T> {
 >progress : any
 
     then<U>(success?: (value: T) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>;
->then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >success : (value: T) => U
 >value : T
 >error : (error: any) => Promise<U>
@@ -28,7 +28,7 @@ interface Promise<T> {
 >progress : any
 
     then<U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>;
->then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >success : (value: T) => U
 >value : T
 >error : (error: any) => U
@@ -272,9 +272,9 @@ var s1: Promise<number>;
 var s1a = s1.then(testFunction, testFunction, testFunction);
 >s1a : Promise<IPromise<number>>
 >s1.then(testFunction, testFunction, testFunction) : Promise<IPromise<number>>
->s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s1 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction : () => IPromise<number>
 >testFunction : () => IPromise<number>
 >testFunction : () => IPromise<number>
@@ -282,9 +282,9 @@ var s1a = s1.then(testFunction, testFunction, testFunction);
 var s1b = s1.then(testFunctionP, testFunctionP, testFunctionP);
 >s1b : Promise<number>
 >s1.then(testFunctionP, testFunctionP, testFunctionP) : Promise<number>
->s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s1 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunctionP : () => Promise<number>
 >testFunctionP : () => Promise<number>
 >testFunctionP : () => Promise<number>
@@ -292,9 +292,9 @@ var s1b = s1.then(testFunctionP, testFunctionP, testFunctionP);
 var s1c = s1.then(testFunctionP, testFunction, testFunction);
 >s1c : Promise<IPromise<number>>
 >s1.then(testFunctionP, testFunction, testFunction) : Promise<IPromise<number>>
->s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s1 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunctionP : () => Promise<number>
 >testFunction : () => IPromise<number>
 >testFunction : () => IPromise<number>
@@ -302,15 +302,15 @@ var s1c = s1.then(testFunctionP, testFunction, testFunction);
 var s1d = s1.then(testFunctionP, testFunction, testFunction).then(testFunction, testFunction, testFunction);
 >s1d : Promise<IPromise<number>>
 >s1.then(testFunctionP, testFunction, testFunction).then(testFunction, testFunction, testFunction) : Promise<IPromise<number>>
->s1.then(testFunctionP, testFunction, testFunction).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s1.then(testFunctionP, testFunction, testFunction).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s1.then(testFunctionP, testFunction, testFunction) : Promise<IPromise<number>>
->s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s1 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunctionP : () => Promise<number>
 >testFunction : () => IPromise<number>
 >testFunction : () => IPromise<number>
->then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction : () => IPromise<number>
 >testFunction : () => IPromise<number>
 >testFunction : () => IPromise<number>
@@ -352,9 +352,9 @@ var s2: Promise<{ x: number; }>;
 var s2a = s2.then(testFunction2, testFunction2, testFunction2);
 >s2a : Promise<IPromise<{ x: number; }>>
 >s2.then(testFunction2, testFunction2, testFunction2) : Promise<IPromise<{ x: number; }>>
->s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s2 : Promise<{ x: number; }>
->then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction2 : () => IPromise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
@@ -362,9 +362,9 @@ var s2a = s2.then(testFunction2, testFunction2, testFunction2);
 var s2b = s2.then(testFunction2P, testFunction2P, testFunction2P);
 >s2b : Promise<{ x: number; }>
 >s2.then(testFunction2P, testFunction2P, testFunction2P) : Promise<{ x: number; }>
->s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s2 : Promise<{ x: number; }>
->then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction2P : () => Promise<{ x: number; }>
 >testFunction2P : () => Promise<{ x: number; }>
 >testFunction2P : () => Promise<{ x: number; }>
@@ -372,9 +372,9 @@ var s2b = s2.then(testFunction2P, testFunction2P, testFunction2P);
 var s2c = s2.then(testFunction2P, testFunction2, testFunction2);
 >s2c : Promise<IPromise<{ x: number; }>>
 >s2.then(testFunction2P, testFunction2, testFunction2) : Promise<IPromise<{ x: number; }>>
->s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s2 : Promise<{ x: number; }>
->then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction2P : () => Promise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
@@ -382,15 +382,15 @@ var s2c = s2.then(testFunction2P, testFunction2, testFunction2);
 var s2d = s2.then(testFunction2P, testFunction2, testFunction2).then(testFunction2, testFunction2, testFunction2);
 >s2d : Promise<IPromise<{ x: number; }>>
 >s2.then(testFunction2P, testFunction2, testFunction2).then(testFunction2, testFunction2, testFunction2) : Promise<IPromise<{ x: number; }>>
->s2.then(testFunction2P, testFunction2, testFunction2).then : { <TResult1 = IPromise<{ x: number; }>, TResult2 = never>(onfulfilled?: (value: IPromise<{ x: number; }>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<{ x: number; }>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s2.then(testFunction2P, testFunction2, testFunction2).then : { <TResult1 = IPromise<{ x: number; }>, TResult2 = never>(onfulfilled?: (value: IPromise<{ x: number; }>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<{ x: number; }>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s2.then(testFunction2P, testFunction2, testFunction2) : Promise<IPromise<{ x: number; }>>
->s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s2 : Promise<{ x: number; }>
->then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction2P : () => Promise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
->then : { <TResult1 = IPromise<{ x: number; }>, TResult2 = never>(onfulfilled?: (value: IPromise<{ x: number; }>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<{ x: number; }>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<{ x: number; }>, TResult2 = never>(onfulfilled?: (value: IPromise<{ x: number; }>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<{ x: number; }>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction2 : () => IPromise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
@@ -430,9 +430,9 @@ var s3: Promise<number>;
 var s3a = s3.then(testFunction3, testFunction3, testFunction3);
 >s3a : Promise<IPromise<number>>
 >s3.then(testFunction3, testFunction3, testFunction3) : Promise<IPromise<number>>
->s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s3 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction3 : (x: number) => IPromise<number>
 >testFunction3 : (x: number) => IPromise<number>
 >testFunction3 : (x: number) => IPromise<number>
@@ -440,9 +440,9 @@ var s3a = s3.then(testFunction3, testFunction3, testFunction3);
 var s3b = s3.then(testFunction3P, testFunction3P, testFunction3P);
 >s3b : Promise<number>
 >s3.then(testFunction3P, testFunction3P, testFunction3P) : Promise<number>
->s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s3 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction3P : (x: number) => Promise<number>
 >testFunction3P : (x: number) => Promise<number>
 >testFunction3P : (x: number) => Promise<number>
@@ -450,9 +450,9 @@ var s3b = s3.then(testFunction3P, testFunction3P, testFunction3P);
 var s3c = s3.then(testFunction3P, testFunction3, testFunction3);
 >s3c : Promise<IPromise<number>>
 >s3.then(testFunction3P, testFunction3, testFunction3) : Promise<IPromise<number>>
->s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s3 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction3P : (x: number) => Promise<number>
 >testFunction3 : (x: number) => IPromise<number>
 >testFunction3 : (x: number) => IPromise<number>
@@ -460,15 +460,15 @@ var s3c = s3.then(testFunction3P, testFunction3, testFunction3);
 var s3d = s3.then(testFunction3P, testFunction3, testFunction3).then(testFunction3, testFunction3, testFunction3); // error
 >s3d : any
 >s3.then(testFunction3P, testFunction3, testFunction3).then(testFunction3, testFunction3, testFunction3) : any
->s3.then(testFunction3P, testFunction3, testFunction3).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s3.then(testFunction3P, testFunction3, testFunction3).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s3.then(testFunction3P, testFunction3, testFunction3) : Promise<IPromise<number>>
->s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s3 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction3P : (x: number) => Promise<number>
 >testFunction3 : (x: number) => IPromise<number>
 >testFunction3 : (x: number) => IPromise<number>
->then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction3 : (x: number) => IPromise<number>
 >testFunction3 : (x: number) => IPromise<number>
 >testFunction3 : (x: number) => IPromise<number>
@@ -516,9 +516,9 @@ var s4: Promise<string>;
 var s4a = s4.then(testFunction4, testFunction4, testFunction4); // error
 >s4a : any
 >s4.then(testFunction4, testFunction4, testFunction4) : any
->s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s4 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction4 : (x: number, y?: string) => IPromise<string>
 >testFunction4 : (x: number, y?: string) => IPromise<string>
 >testFunction4 : (x: number, y?: string) => IPromise<string>
@@ -526,9 +526,9 @@ var s4a = s4.then(testFunction4, testFunction4, testFunction4); // error
 var s4b = s4.then(testFunction4P, testFunction4P, testFunction4P); // error 
 >s4b : any
 >s4.then(testFunction4P, testFunction4P, testFunction4P) : any
->s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s4 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction4P : (x: number, y?: string) => Promise<string>
 >testFunction4P : (x: number, y?: string) => Promise<string>
 >testFunction4P : (x: number, y?: string) => Promise<string>
@@ -536,9 +536,9 @@ var s4b = s4.then(testFunction4P, testFunction4P, testFunction4P); // error
 var s4c = s4.then(testFunction4P, testFunction4, testFunction4); // error
 >s4c : any
 >s4.then(testFunction4P, testFunction4, testFunction4) : any
->s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s4 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction4P : (x: number, y?: string) => Promise<string>
 >testFunction4 : (x: number, y?: string) => IPromise<string>
 >testFunction4 : (x: number, y?: string) => IPromise<string>
@@ -546,15 +546,15 @@ var s4c = s4.then(testFunction4P, testFunction4, testFunction4); // error
 var s4d = s4.then(sIPromise, testFunction4P, testFunction4).then(sIPromise, testFunction4P, testFunction4);
 >s4d : Promise<IPromise<string>>
 >s4.then(sIPromise, testFunction4P, testFunction4).then(sIPromise, testFunction4P, testFunction4) : Promise<IPromise<string>>
->s4.then(sIPromise, testFunction4P, testFunction4).then : { <TResult1 = IPromise<string>, TResult2 = never>(onfulfilled?: (value: IPromise<string>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<string>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s4.then(sIPromise, testFunction4P, testFunction4).then : { <TResult1 = IPromise<string>, TResult2 = never>(onfulfilled?: (value: IPromise<string>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<string>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s4.then(sIPromise, testFunction4P, testFunction4) : Promise<IPromise<string>>
->s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s4 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sIPromise : (x: any) => IPromise<string>
 >testFunction4P : (x: number, y?: string) => Promise<string>
 >testFunction4 : (x: number, y?: string) => IPromise<string>
->then : { <TResult1 = IPromise<string>, TResult2 = never>(onfulfilled?: (value: IPromise<string>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<string>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<string>, TResult2 = never>(onfulfilled?: (value: IPromise<string>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<string>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sIPromise : (x: any) => IPromise<string>
 >testFunction4P : (x: number, y?: string) => Promise<string>
 >testFunction4 : (x: number, y?: string) => IPromise<string>
@@ -594,9 +594,9 @@ var s5: Promise<string>;
 var s5a = s5.then(testFunction5, testFunction5, testFunction5); // error
 >s5a : any
 >s5.then(testFunction5, testFunction5, testFunction5) : any
->s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s5 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction5 : (x: number, cb: (a: string) => string) => IPromise<string>
 >testFunction5 : (x: number, cb: (a: string) => string) => IPromise<string>
 >testFunction5 : (x: number, cb: (a: string) => string) => IPromise<string>
@@ -604,9 +604,9 @@ var s5a = s5.then(testFunction5, testFunction5, testFunction5); // error
 var s5b = s5.then(testFunction5P, testFunction5P, testFunction5P); // error
 >s5b : any
 >s5.then(testFunction5P, testFunction5P, testFunction5P) : any
->s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s5 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction5P : (x: number, cb: (a: string) => string) => Promise<string>
 >testFunction5P : (x: number, cb: (a: string) => string) => Promise<string>
 >testFunction5P : (x: number, cb: (a: string) => string) => Promise<string>
@@ -614,9 +614,9 @@ var s5b = s5.then(testFunction5P, testFunction5P, testFunction5P); // error
 var s5c = s5.then(testFunction5P, testFunction5, testFunction5); // error
 >s5c : any
 >s5.then(testFunction5P, testFunction5, testFunction5) : any
->s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s5 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction5P : (x: number, cb: (a: string) => string) => Promise<string>
 >testFunction5 : (x: number, cb: (a: string) => string) => IPromise<string>
 >testFunction5 : (x: number, cb: (a: string) => string) => IPromise<string>
@@ -624,15 +624,15 @@ var s5c = s5.then(testFunction5P, testFunction5, testFunction5); // error
 var s5d = s5.then(sPromise, sPromise, sPromise).then(sIPromise, sIPromise, sIPromise); // ok
 >s5d : Promise<IPromise<string>>
 >s5.then(sPromise, sPromise, sPromise).then(sIPromise, sIPromise, sIPromise) : Promise<IPromise<string>>
->s5.then(sPromise, sPromise, sPromise).then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s5.then(sPromise, sPromise, sPromise).then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s5.then(sPromise, sPromise, sPromise) : Promise<string>
->s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s5 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
@@ -672,9 +672,9 @@ var s6: Promise<string>;
 var s6a = s6.then(testFunction6, testFunction6, testFunction6); // error
 >s6a : any
 >s6.then(testFunction6, testFunction6, testFunction6) : any
->s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s6 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction6 : (x: number, cb: <T>(a: T) => T) => IPromise<string>
 >testFunction6 : (x: number, cb: <T>(a: T) => T) => IPromise<string>
 >testFunction6 : (x: number, cb: <T>(a: T) => T) => IPromise<string>
@@ -682,9 +682,9 @@ var s6a = s6.then(testFunction6, testFunction6, testFunction6); // error
 var s6b = s6.then(testFunction6P, testFunction6P, testFunction6P); // error
 >s6b : any
 >s6.then(testFunction6P, testFunction6P, testFunction6P) : any
->s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s6 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction6P : (x: number, cb: <T>(a: T) => T) => Promise<string>
 >testFunction6P : (x: number, cb: <T>(a: T) => T) => Promise<string>
 >testFunction6P : (x: number, cb: <T>(a: T) => T) => Promise<string>
@@ -692,9 +692,9 @@ var s6b = s6.then(testFunction6P, testFunction6P, testFunction6P); // error
 var s6c = s6.then(testFunction6P, testFunction6, testFunction6); // error
 >s6c : any
 >s6.then(testFunction6P, testFunction6, testFunction6) : any
->s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s6 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction6P : (x: number, cb: <T>(a: T) => T) => Promise<string>
 >testFunction6 : (x: number, cb: <T>(a: T) => T) => IPromise<string>
 >testFunction6 : (x: number, cb: <T>(a: T) => T) => IPromise<string>
@@ -702,15 +702,15 @@ var s6c = s6.then(testFunction6P, testFunction6, testFunction6); // error
 var s6d = s6.then(sPromise, sPromise, sPromise).then(sIPromise, sIPromise, sIPromise); // ok
 >s6d : Promise<IPromise<string>>
 >s6.then(sPromise, sPromise, sPromise).then(sIPromise, sIPromise, sIPromise) : Promise<IPromise<string>>
->s6.then(sPromise, sPromise, sPromise).then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s6.then(sPromise, sPromise, sPromise).then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s6.then(sPromise, sPromise, sPromise) : Promise<string>
->s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s6 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
@@ -836,9 +836,9 @@ var s8: Promise<number>;
 var s8a = s8.then(testFunction8, testFunction8, testFunction8); // error
 >s8a : any
 >s8.then(testFunction8, testFunction8, testFunction8) : any
->s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s8 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction8 : <T>(x: T, cb: (a: T) => T) => IPromise<T>
 >testFunction8 : <T>(x: T, cb: (a: T) => T) => IPromise<T>
 >testFunction8 : <T>(x: T, cb: (a: T) => T) => IPromise<T>
@@ -846,9 +846,9 @@ var s8a = s8.then(testFunction8, testFunction8, testFunction8); // error
 var s8b = s8.then(testFunction8P, testFunction8P, testFunction8P); // error
 >s8b : any
 >s8.then(testFunction8P, testFunction8P, testFunction8P) : any
->s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s8 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction8P : <T>(x: T, cb: (a: T) => T) => Promise<T>
 >testFunction8P : <T>(x: T, cb: (a: T) => T) => Promise<T>
 >testFunction8P : <T>(x: T, cb: (a: T) => T) => Promise<T>
@@ -856,9 +856,9 @@ var s8b = s8.then(testFunction8P, testFunction8P, testFunction8P); // error
 var s8c = s8.then(testFunction8P, testFunction8, testFunction8); // error
 >s8c : any
 >s8.then(testFunction8P, testFunction8, testFunction8) : any
->s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s8 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction8P : <T>(x: T, cb: (a: T) => T) => Promise<T>
 >testFunction8 : <T>(x: T, cb: (a: T) => T) => IPromise<T>
 >testFunction8 : <T>(x: T, cb: (a: T) => T) => IPromise<T>
@@ -866,15 +866,15 @@ var s8c = s8.then(testFunction8P, testFunction8, testFunction8); // error
 var s8d = s8.then(nIPromise, nIPromise, nIPromise).then(nIPromise, nIPromise, nIPromise); // ok
 >s8d : Promise<IPromise<number>>
 >s8.then(nIPromise, nIPromise, nIPromise).then(nIPromise, nIPromise, nIPromise) : Promise<IPromise<number>>
->s8.then(nIPromise, nIPromise, nIPromise).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s8.then(nIPromise, nIPromise, nIPromise).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s8.then(nIPromise, nIPromise, nIPromise) : Promise<IPromise<number>>
->s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s8 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >nIPromise : (x: any) => IPromise<number>
 >nIPromise : (x: any) => IPromise<number>
 >nIPromise : (x: any) => IPromise<number>
->then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >nIPromise : (x: any) => IPromise<number>
 >nIPromise : (x: any) => IPromise<number>
 >nIPromise : (x: any) => IPromise<number>
@@ -944,9 +944,9 @@ var s9: Promise<number>;
 var s9a = s9.then(testFunction9, testFunction9, testFunction9); // error
 >s9a : any
 >s9.then(testFunction9, testFunction9, testFunction9) : any
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction9 : <T>(x: T, cb: <U>(a: U) => U) => IPromise<T>
 >testFunction9 : <T>(x: T, cb: <U>(a: U) => U) => IPromise<T>
 >testFunction9 : <T>(x: T, cb: <U>(a: U) => U) => IPromise<T>
@@ -954,9 +954,9 @@ var s9a = s9.then(testFunction9, testFunction9, testFunction9); // error
 var s9b = s9.then(testFunction9P, testFunction9P, testFunction9P); // error
 >s9b : any
 >s9.then(testFunction9P, testFunction9P, testFunction9P) : any
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction9P : <T>(x: T, cb: <U>(a: U) => U) => Promise<T>
 >testFunction9P : <T>(x: T, cb: <U>(a: U) => U) => Promise<T>
 >testFunction9P : <T>(x: T, cb: <U>(a: U) => U) => Promise<T>
@@ -964,9 +964,9 @@ var s9b = s9.then(testFunction9P, testFunction9P, testFunction9P); // error
 var s9c = s9.then(testFunction9P, testFunction9, testFunction9); // error
 >s9c : any
 >s9.then(testFunction9P, testFunction9, testFunction9) : any
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction9P : <T>(x: T, cb: <U>(a: U) => U) => Promise<T>
 >testFunction9 : <T>(x: T, cb: <U>(a: U) => U) => IPromise<T>
 >testFunction9 : <T>(x: T, cb: <U>(a: U) => U) => IPromise<T>
@@ -974,9 +974,9 @@ var s9c = s9.then(testFunction9P, testFunction9, testFunction9); // error
 var s9d = s9.then(sPromise, sPromise, sPromise); // ok
 >s9d : Promise<string>
 >s9.then(sPromise, sPromise, sPromise) : Promise<string>
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
@@ -984,9 +984,9 @@ var s9d = s9.then(sPromise, sPromise, sPromise); // ok
 var s9e = s9.then(nPromise, nPromise, nPromise); // ok
 >s9e : Promise<number>
 >s9.then(nPromise, nPromise, nPromise) : Promise<number>
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >nPromise : (x: any) => Promise<number>
 >nPromise : (x: any) => Promise<number>
 >nPromise : (x: any) => Promise<number>
@@ -994,9 +994,9 @@ var s9e = s9.then(nPromise, nPromise, nPromise); // ok
 var s9f = s9.then(testFunction, sIPromise, nIPromise); // error
 >s9f : any
 >s9.then(testFunction, sIPromise, nIPromise) : any
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction : () => IPromise<number>
 >sIPromise : (x: any) => IPromise<string>
 >nIPromise : (x: any) => IPromise<number>
@@ -1004,15 +1004,15 @@ var s9f = s9.then(testFunction, sIPromise, nIPromise); // error
 var s9g = s9.then(testFunction, nIPromise, sIPromise).then(sIPromise, sIPromise, sIPromise); // ok
 >s9g : Promise<IPromise<string>>
 >s9.then(testFunction, nIPromise, sIPromise).then(sIPromise, sIPromise, sIPromise) : Promise<IPromise<string>>
->s9.then(testFunction, nIPromise, sIPromise).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then(testFunction, nIPromise, sIPromise).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9.then(testFunction, nIPromise, sIPromise) : Promise<IPromise<number>>
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction : () => IPromise<number>
 >nIPromise : (x: any) => IPromise<number>
 >sIPromise : (x: any) => IPromise<string>
->then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
@@ -1092,9 +1092,9 @@ var s10 = testFunction10P(x => x);
 var s10a = s10.then(testFunction10, testFunction10, testFunction10); // ok
 >s10a : Promise<IPromise<unknown>>
 >s10.then(testFunction10, testFunction10, testFunction10) : Promise<IPromise<unknown>>
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction10 : <T>(cb: <U>(a: U) => U) => IPromise<T>
 >testFunction10 : <T>(cb: <U>(a: U) => U) => IPromise<T>
 >testFunction10 : <T>(cb: <U>(a: U) => U) => IPromise<T>
@@ -1102,9 +1102,9 @@ var s10a = s10.then(testFunction10, testFunction10, testFunction10); // ok
 var s10b = s10.then(testFunction10P, testFunction10P, testFunction10P); // ok
 >s10b : Promise<unknown>
 >s10.then(testFunction10P, testFunction10P, testFunction10P) : Promise<unknown>
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction10P : <T>(cb: <U>(a: U) => U) => Promise<T>
 >testFunction10P : <T>(cb: <U>(a: U) => U) => Promise<T>
 >testFunction10P : <T>(cb: <U>(a: U) => U) => Promise<T>
@@ -1112,9 +1112,9 @@ var s10b = s10.then(testFunction10P, testFunction10P, testFunction10P); // ok
 var s10c = s10.then(testFunction10P, testFunction10, testFunction10); // ok
 >s10c : Promise<unknown>
 >s10.then(testFunction10P, testFunction10, testFunction10) : Promise<unknown>
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction10P : <T>(cb: <U>(a: U) => U) => Promise<T>
 >testFunction10 : <T>(cb: <U>(a: U) => U) => IPromise<T>
 >testFunction10 : <T>(cb: <U>(a: U) => U) => IPromise<T>
@@ -1122,9 +1122,9 @@ var s10c = s10.then(testFunction10P, testFunction10, testFunction10); // ok
 var s10d = s10.then(sPromise, sPromise, sPromise); // ok
 >s10d : Promise<string>
 >s10.then(sPromise, sPromise, sPromise) : Promise<string>
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
@@ -1132,9 +1132,9 @@ var s10d = s10.then(sPromise, sPromise, sPromise); // ok
 var s10e = s10.then(nIPromise, nPromise, nIPromise); // ok
 >s10e : Promise<IPromise<number>>
 >s10.then(nIPromise, nPromise, nIPromise) : Promise<IPromise<number>>
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >nIPromise : (x: any) => IPromise<number>
 >nPromise : (x: any) => Promise<number>
 >nIPromise : (x: any) => IPromise<number>
@@ -1142,9 +1142,9 @@ var s10e = s10.then(nIPromise, nPromise, nIPromise); // ok
 var s10f = s10.then(testFunctionP, sIPromise, nIPromise); // error
 >s10f : any
 >s10.then(testFunctionP, sIPromise, nIPromise) : any
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunctionP : () => Promise<number>
 >sIPromise : (x: any) => IPromise<string>
 >nIPromise : (x: any) => IPromise<number>
@@ -1152,15 +1152,15 @@ var s10f = s10.then(testFunctionP, sIPromise, nIPromise); // error
 var s10g = s10.then(testFunctionP, nIPromise, sIPromise).then(sPromise, sIPromise, sIPromise); // ok
 >s10g : Promise<IPromise<string>>
 >s10.then(testFunctionP, nIPromise, sIPromise).then(sPromise, sIPromise, sIPromise) : Promise<IPromise<string>>
->s10.then(testFunctionP, nIPromise, sIPromise).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then(testFunctionP, nIPromise, sIPromise).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10.then(testFunctionP, nIPromise, sIPromise) : Promise<IPromise<number>>
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunctionP : () => Promise<number>
 >nIPromise : (x: any) => IPromise<number>
 >sIPromise : (x: any) => IPromise<string>
->then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sPromise : (x: any) => Promise<string>
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
@@ -1184,9 +1184,9 @@ var s11: Promise<number>;
 var s11a = s11.then(testFunction11, testFunction11, testFunction11); // ok
 >s11a : any
 >s11.then(testFunction11, testFunction11, testFunction11) : any
->s11.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s11.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s11 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction11 : { (x: number): IPromise<number>; (x: string): IPromise<string>; }
 >testFunction11 : { (x: number): IPromise<number>; (x: string): IPromise<string>; }
 >testFunction11 : { (x: number): IPromise<number>; (x: string): IPromise<string>; }
@@ -1194,9 +1194,9 @@ var s11a = s11.then(testFunction11, testFunction11, testFunction11); // ok
 var s11b = s11.then(testFunction11P, testFunction11P, testFunction11P); // error
 >s11b : any
 >s11.then(testFunction11P, testFunction11P, testFunction11P) : any
->s11.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s11.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s11 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction11P : { (x: number): Promise<number>; (x: string): Promise<string>; }
 >testFunction11P : { (x: number): Promise<number>; (x: string): Promise<string>; }
 >testFunction11P : { (x: number): Promise<number>; (x: string): Promise<string>; }
@@ -1204,9 +1204,9 @@ var s11b = s11.then(testFunction11P, testFunction11P, testFunction11P); // error
 var s11c = s11.then(testFunction11P, testFunction11, testFunction11); // error
 >s11c : any
 >s11.then(testFunction11P, testFunction11, testFunction11) : any
->s11.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s11.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s11 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction11P : { (x: number): Promise<number>; (x: string): Promise<string>; }
 >testFunction11 : { (x: number): IPromise<number>; (x: string): IPromise<string>; }
 >testFunction11 : { (x: number): IPromise<number>; (x: string): IPromise<string>; }
diff --git a/tests/baselines/reference/promisePermutations2.errors.txt b/tests/baselines/reference/promisePermutations2.errors.txt
index bc676c9dd5e85..d16b1db482293 100644
--- a/tests/baselines/reference/promisePermutations2.errors.txt
+++ b/tests/baselines/reference/promisePermutations2.errors.txt
@@ -82,7 +82,7 @@ tests/cases/compiler/promisePermutations2.ts(158,21): error TS2345: Argument of
 tests/cases/compiler/promisePermutations2.ts(159,21): error TS2345: Argument of type '{ (x: number): Promise<number>; (x: string): Promise<string>; }' is not assignable to parameter of type '(value: number) => IPromise<string>'.
   Call signature return types 'Promise<number>' and 'IPromise<string>' are incompatible.
     The types of 'then' are incompatible between these types.
-      Type '{ <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }' is not assignable to type '{ <U>(success?: (value: string) => IPromise<U>, error?: (error: any) => IPromise<U>, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => IPromise<U>, error?: (error: any) => U, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => U, error?: (error: any) => IPromise<U>, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): IPromise<U>; }'.
+      Type '{ <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }' is not assignable to type '{ <U>(success?: (value: string) => IPromise<U>, error?: (error: any) => IPromise<U>, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => IPromise<U>, error?: (error: any) => U, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => U, error?: (error: any) => IPromise<U>, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): IPromise<U>; }'.
         Types of parameters 'onfulfilled' and 'success' are incompatible.
           Types of parameters 'value' and 'value' are incompatible.
             Type 'number' is not assignable to type 'string'.
@@ -351,7 +351,7 @@ tests/cases/compiler/promisePermutations2.ts(159,21): error TS2345: Argument of
                                        ~~~~~~~~~
 !!! error TS2345: Argument of type '(x: any) => IPromise<string>' is not assignable to parameter of type '(error: any) => Promise<number>'.
 !!! error TS2345:   Property 'catch' is missing in type 'IPromise<string>' but required in type 'Promise<number>'.
-!!! related TS2728 /.ts/lib.es5.d.ts:1430:5: 'catch' is declared here.
+!!! related TS2728 /.ts/lib.es5.d.ts:1436:5: 'catch' is declared here.
     var s10g = s10.then(testFunctionP, nIPromise, sIPromise).then(sPromise, sIPromise, sIPromise); // ok
     
     var r11: IPromise<number>;
@@ -378,7 +378,7 @@ tests/cases/compiler/promisePermutations2.ts(159,21): error TS2345: Argument of
 !!! error TS2345: Argument of type '{ (x: number): Promise<number>; (x: string): Promise<string>; }' is not assignable to parameter of type '(value: number) => IPromise<string>'.
 !!! error TS2345:   Call signature return types 'Promise<number>' and 'IPromise<string>' are incompatible.
 !!! error TS2345:     The types of 'then' are incompatible between these types.
-!!! error TS2345:       Type '{ <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }' is not assignable to type '{ <U>(success?: (value: string) => IPromise<U>, error?: (error: any) => IPromise<U>, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => IPromise<U>, error?: (error: any) => U, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => U, error?: (error: any) => IPromise<U>, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): IPromise<U>; }'.
+!!! error TS2345:       Type '{ <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }' is not assignable to type '{ <U>(success?: (value: string) => IPromise<U>, error?: (error: any) => IPromise<U>, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => IPromise<U>, error?: (error: any) => U, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => U, error?: (error: any) => IPromise<U>, progress?: (progress: any) => void): IPromise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): IPromise<U>; }'.
 !!! error TS2345:         Types of parameters 'onfulfilled' and 'success' are incompatible.
 !!! error TS2345:           Types of parameters 'value' and 'value' are incompatible.
 !!! error TS2345:             Type 'number' is not assignable to type 'string'.
diff --git a/tests/baselines/reference/promisePermutations2.types b/tests/baselines/reference/promisePermutations2.types
index 957b548a284b8..7dca578fc6e85 100644
--- a/tests/baselines/reference/promisePermutations2.types
+++ b/tests/baselines/reference/promisePermutations2.types
@@ -3,7 +3,7 @@
 
 interface Promise<T> {
     then<U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>;
->then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >success : (value: T) => U
 >value : T
 >error : (error: any) => U
@@ -247,9 +247,9 @@ var s1: Promise<number>;
 var s1a = s1.then(testFunction, testFunction, testFunction);
 >s1a : Promise<IPromise<number>>
 >s1.then(testFunction, testFunction, testFunction) : Promise<IPromise<number>>
->s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s1 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction : () => IPromise<number>
 >testFunction : () => IPromise<number>
 >testFunction : () => IPromise<number>
@@ -257,9 +257,9 @@ var s1a = s1.then(testFunction, testFunction, testFunction);
 var s1b = s1.then(testFunctionP, testFunctionP, testFunctionP);
 >s1b : Promise<Promise<number>>
 >s1.then(testFunctionP, testFunctionP, testFunctionP) : Promise<Promise<number>>
->s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s1 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunctionP : () => Promise<number>
 >testFunctionP : () => Promise<number>
 >testFunctionP : () => Promise<number>
@@ -267,9 +267,9 @@ var s1b = s1.then(testFunctionP, testFunctionP, testFunctionP);
 var s1c = s1.then(testFunctionP, testFunction, testFunction);
 >s1c : Promise<IPromise<number>>
 >s1.then(testFunctionP, testFunction, testFunction) : Promise<IPromise<number>>
->s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s1 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunctionP : () => Promise<number>
 >testFunction : () => IPromise<number>
 >testFunction : () => IPromise<number>
@@ -277,15 +277,15 @@ var s1c = s1.then(testFunctionP, testFunction, testFunction);
 var s1d = s1.then(testFunctionP, testFunction, testFunction).then(testFunction, testFunction, testFunction);
 >s1d : Promise<IPromise<number>>
 >s1.then(testFunctionP, testFunction, testFunction).then(testFunction, testFunction, testFunction) : Promise<IPromise<number>>
->s1.then(testFunctionP, testFunction, testFunction).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s1.then(testFunctionP, testFunction, testFunction).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s1.then(testFunctionP, testFunction, testFunction) : Promise<IPromise<number>>
->s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s1 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunctionP : () => Promise<number>
 >testFunction : () => IPromise<number>
 >testFunction : () => IPromise<number>
->then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction : () => IPromise<number>
 >testFunction : () => IPromise<number>
 >testFunction : () => IPromise<number>
@@ -327,9 +327,9 @@ var s2: Promise<{ x: number; }>;
 var s2a = s2.then(testFunction2, testFunction2, testFunction2);
 >s2a : Promise<IPromise<{ x: number; }>>
 >s2.then(testFunction2, testFunction2, testFunction2) : Promise<IPromise<{ x: number; }>>
->s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s2 : Promise<{ x: number; }>
->then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction2 : () => IPromise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
@@ -337,9 +337,9 @@ var s2a = s2.then(testFunction2, testFunction2, testFunction2);
 var s2b = s2.then(testFunction2P, testFunction2P, testFunction2P);
 >s2b : Promise<Promise<{ x: number; }>>
 >s2.then(testFunction2P, testFunction2P, testFunction2P) : Promise<Promise<{ x: number; }>>
->s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s2 : Promise<{ x: number; }>
->then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction2P : () => Promise<{ x: number; }>
 >testFunction2P : () => Promise<{ x: number; }>
 >testFunction2P : () => Promise<{ x: number; }>
@@ -347,9 +347,9 @@ var s2b = s2.then(testFunction2P, testFunction2P, testFunction2P);
 var s2c = s2.then(testFunction2P, testFunction2, testFunction2);
 >s2c : Promise<IPromise<{ x: number; }>>
 >s2.then(testFunction2P, testFunction2, testFunction2) : Promise<IPromise<{ x: number; }>>
->s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s2 : Promise<{ x: number; }>
->then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction2P : () => Promise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
@@ -357,15 +357,15 @@ var s2c = s2.then(testFunction2P, testFunction2, testFunction2);
 var s2d = s2.then(testFunction2P, testFunction2, testFunction2).then(testFunction2, testFunction2, testFunction2);
 >s2d : Promise<IPromise<{ x: number; }>>
 >s2.then(testFunction2P, testFunction2, testFunction2).then(testFunction2, testFunction2, testFunction2) : Promise<IPromise<{ x: number; }>>
->s2.then(testFunction2P, testFunction2, testFunction2).then : { <TResult1 = IPromise<{ x: number; }>, TResult2 = never>(onfulfilled?: (value: IPromise<{ x: number; }>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s2.then(testFunction2P, testFunction2, testFunction2).then : { <TResult1 = IPromise<{ x: number; }>, TResult2 = never>(onfulfilled?: (value: IPromise<{ x: number; }>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s2.then(testFunction2P, testFunction2, testFunction2) : Promise<IPromise<{ x: number; }>>
->s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s2 : Promise<{ x: number; }>
->then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction2P : () => Promise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
->then : { <TResult1 = IPromise<{ x: number; }>, TResult2 = never>(onfulfilled?: (value: IPromise<{ x: number; }>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<{ x: number; }>, TResult2 = never>(onfulfilled?: (value: IPromise<{ x: number; }>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction2 : () => IPromise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
@@ -405,9 +405,9 @@ var s3: Promise<number>;
 var s3a = s3.then(testFunction3, testFunction3, testFunction3);
 >s3a : Promise<IPromise<number>>
 >s3.then(testFunction3, testFunction3, testFunction3) : Promise<IPromise<number>>
->s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s3 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction3 : (x: number) => IPromise<number>
 >testFunction3 : (x: number) => IPromise<number>
 >testFunction3 : (x: number) => IPromise<number>
@@ -415,9 +415,9 @@ var s3a = s3.then(testFunction3, testFunction3, testFunction3);
 var s3b = s3.then(testFunction3P, testFunction3P, testFunction3P);
 >s3b : Promise<Promise<number>>
 >s3.then(testFunction3P, testFunction3P, testFunction3P) : Promise<Promise<number>>
->s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s3 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction3P : (x: number) => Promise<number>
 >testFunction3P : (x: number) => Promise<number>
 >testFunction3P : (x: number) => Promise<number>
@@ -425,9 +425,9 @@ var s3b = s3.then(testFunction3P, testFunction3P, testFunction3P);
 var s3c = s3.then(testFunction3P, testFunction3, testFunction3);
 >s3c : Promise<IPromise<number>>
 >s3.then(testFunction3P, testFunction3, testFunction3) : Promise<IPromise<number>>
->s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s3 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction3P : (x: number) => Promise<number>
 >testFunction3 : (x: number) => IPromise<number>
 >testFunction3 : (x: number) => IPromise<number>
@@ -435,15 +435,15 @@ var s3c = s3.then(testFunction3P, testFunction3, testFunction3);
 var s3d = s3.then(testFunction3P, testFunction3, testFunction3).then(testFunction3, testFunction3, testFunction3); // Should error
 >s3d : any
 >s3.then(testFunction3P, testFunction3, testFunction3).then(testFunction3, testFunction3, testFunction3) : any
->s3.then(testFunction3P, testFunction3, testFunction3).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s3.then(testFunction3P, testFunction3, testFunction3).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s3.then(testFunction3P, testFunction3, testFunction3) : Promise<IPromise<number>>
->s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s3 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction3P : (x: number) => Promise<number>
 >testFunction3 : (x: number) => IPromise<number>
 >testFunction3 : (x: number) => IPromise<number>
->then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction3 : (x: number) => IPromise<number>
 >testFunction3 : (x: number) => IPromise<number>
 >testFunction3 : (x: number) => IPromise<number>
@@ -491,9 +491,9 @@ var s4: Promise<string>;
 var s4a = s4.then(testFunction4, testFunction4, testFunction4); // error
 >s4a : any
 >s4.then(testFunction4, testFunction4, testFunction4) : any
->s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s4 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction4 : (x: number, y?: string) => IPromise<string>
 >testFunction4 : (x: number, y?: string) => IPromise<string>
 >testFunction4 : (x: number, y?: string) => IPromise<string>
@@ -501,9 +501,9 @@ var s4a = s4.then(testFunction4, testFunction4, testFunction4); // error
 var s4b = s4.then(testFunction4P, testFunction4P, testFunction4P); // error 
 >s4b : any
 >s4.then(testFunction4P, testFunction4P, testFunction4P) : any
->s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s4 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction4P : (x: number, y?: string) => Promise<string>
 >testFunction4P : (x: number, y?: string) => Promise<string>
 >testFunction4P : (x: number, y?: string) => Promise<string>
@@ -511,9 +511,9 @@ var s4b = s4.then(testFunction4P, testFunction4P, testFunction4P); // error
 var s4c = s4.then(testFunction4P, testFunction4, testFunction4); // error
 >s4c : any
 >s4.then(testFunction4P, testFunction4, testFunction4) : any
->s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s4 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction4P : (x: number, y?: string) => Promise<string>
 >testFunction4 : (x: number, y?: string) => IPromise<string>
 >testFunction4 : (x: number, y?: string) => IPromise<string>
@@ -521,15 +521,15 @@ var s4c = s4.then(testFunction4P, testFunction4, testFunction4); // error
 var s4d = s4.then(sIPromise, testFunction4P, testFunction4).then(sIPromise, testFunction4P, testFunction4);
 >s4d : Promise<IPromise<string>>
 >s4.then(sIPromise, testFunction4P, testFunction4).then(sIPromise, testFunction4P, testFunction4) : Promise<IPromise<string>>
->s4.then(sIPromise, testFunction4P, testFunction4).then : { <TResult1 = IPromise<string>, TResult2 = never>(onfulfilled?: (value: IPromise<string>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s4.then(sIPromise, testFunction4P, testFunction4).then : { <TResult1 = IPromise<string>, TResult2 = never>(onfulfilled?: (value: IPromise<string>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s4.then(sIPromise, testFunction4P, testFunction4) : Promise<IPromise<string>>
->s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s4 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sIPromise : (x: any) => IPromise<string>
 >testFunction4P : (x: number, y?: string) => Promise<string>
 >testFunction4 : (x: number, y?: string) => IPromise<string>
->then : { <TResult1 = IPromise<string>, TResult2 = never>(onfulfilled?: (value: IPromise<string>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<string>, TResult2 = never>(onfulfilled?: (value: IPromise<string>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sIPromise : (x: any) => IPromise<string>
 >testFunction4P : (x: number, y?: string) => Promise<string>
 >testFunction4 : (x: number, y?: string) => IPromise<string>
@@ -569,9 +569,9 @@ var s5: Promise<string>;
 var s5a = s5.then(testFunction5, testFunction5, testFunction5); // error
 >s5a : any
 >s5.then(testFunction5, testFunction5, testFunction5) : any
->s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s5 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction5 : (x: number, cb: (a: string) => string) => IPromise<string>
 >testFunction5 : (x: number, cb: (a: string) => string) => IPromise<string>
 >testFunction5 : (x: number, cb: (a: string) => string) => IPromise<string>
@@ -579,9 +579,9 @@ var s5a = s5.then(testFunction5, testFunction5, testFunction5); // error
 var s5b = s5.then(testFunction5P, testFunction5P, testFunction5P); // error
 >s5b : any
 >s5.then(testFunction5P, testFunction5P, testFunction5P) : any
->s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s5 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction5P : (x: number, cb: (a: string) => string) => Promise<string>
 >testFunction5P : (x: number, cb: (a: string) => string) => Promise<string>
 >testFunction5P : (x: number, cb: (a: string) => string) => Promise<string>
@@ -589,9 +589,9 @@ var s5b = s5.then(testFunction5P, testFunction5P, testFunction5P); // error
 var s5c = s5.then(testFunction5P, testFunction5, testFunction5); // error
 >s5c : any
 >s5.then(testFunction5P, testFunction5, testFunction5) : any
->s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s5 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction5P : (x: number, cb: (a: string) => string) => Promise<string>
 >testFunction5 : (x: number, cb: (a: string) => string) => IPromise<string>
 >testFunction5 : (x: number, cb: (a: string) => string) => IPromise<string>
@@ -599,15 +599,15 @@ var s5c = s5.then(testFunction5P, testFunction5, testFunction5); // error
 var s5d = s5.then(sPromise, sPromise, sPromise).then(sIPromise, sIPromise, sIPromise); // ok
 >s5d : Promise<IPromise<string>>
 >s5.then(sPromise, sPromise, sPromise).then(sIPromise, sIPromise, sIPromise) : Promise<IPromise<string>>
->s5.then(sPromise, sPromise, sPromise).then : { <TResult1 = Promise<string>, TResult2 = never>(onfulfilled?: (value: Promise<string>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: Promise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s5.then(sPromise, sPromise, sPromise).then : { <TResult1 = Promise<string>, TResult2 = never>(onfulfilled?: (value: Promise<string>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: Promise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s5.then(sPromise, sPromise, sPromise) : Promise<Promise<string>>
->s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s5 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
->then : { <TResult1 = Promise<string>, TResult2 = never>(onfulfilled?: (value: Promise<string>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: Promise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = Promise<string>, TResult2 = never>(onfulfilled?: (value: Promise<string>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: Promise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
@@ -647,9 +647,9 @@ var s6: Promise<string>;
 var s6a = s6.then(testFunction6, testFunction6, testFunction6); // error
 >s6a : any
 >s6.then(testFunction6, testFunction6, testFunction6) : any
->s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s6 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction6 : (x: number, cb: <T>(a: T) => T) => IPromise<string>
 >testFunction6 : (x: number, cb: <T>(a: T) => T) => IPromise<string>
 >testFunction6 : (x: number, cb: <T>(a: T) => T) => IPromise<string>
@@ -657,9 +657,9 @@ var s6a = s6.then(testFunction6, testFunction6, testFunction6); // error
 var s6b = s6.then(testFunction6P, testFunction6P, testFunction6P); // error
 >s6b : any
 >s6.then(testFunction6P, testFunction6P, testFunction6P) : any
->s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s6 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction6P : (x: number, cb: <T>(a: T) => T) => Promise<string>
 >testFunction6P : (x: number, cb: <T>(a: T) => T) => Promise<string>
 >testFunction6P : (x: number, cb: <T>(a: T) => T) => Promise<string>
@@ -667,9 +667,9 @@ var s6b = s6.then(testFunction6P, testFunction6P, testFunction6P); // error
 var s6c = s6.then(testFunction6P, testFunction6, testFunction6); // error
 >s6c : any
 >s6.then(testFunction6P, testFunction6, testFunction6) : any
->s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s6 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction6P : (x: number, cb: <T>(a: T) => T) => Promise<string>
 >testFunction6 : (x: number, cb: <T>(a: T) => T) => IPromise<string>
 >testFunction6 : (x: number, cb: <T>(a: T) => T) => IPromise<string>
@@ -677,15 +677,15 @@ var s6c = s6.then(testFunction6P, testFunction6, testFunction6); // error
 var s6d = s6.then(sPromise, sPromise, sPromise).then(sIPromise, sIPromise, sIPromise); // ok
 >s6d : Promise<IPromise<string>>
 >s6.then(sPromise, sPromise, sPromise).then(sIPromise, sIPromise, sIPromise) : Promise<IPromise<string>>
->s6.then(sPromise, sPromise, sPromise).then : { <TResult1 = Promise<string>, TResult2 = never>(onfulfilled?: (value: Promise<string>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: Promise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s6.then(sPromise, sPromise, sPromise).then : { <TResult1 = Promise<string>, TResult2 = never>(onfulfilled?: (value: Promise<string>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: Promise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s6.then(sPromise, sPromise, sPromise) : Promise<Promise<string>>
->s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s6 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
->then : { <TResult1 = Promise<string>, TResult2 = never>(onfulfilled?: (value: Promise<string>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: Promise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = Promise<string>, TResult2 = never>(onfulfilled?: (value: Promise<string>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: Promise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
@@ -811,9 +811,9 @@ var s8: Promise<number>;
 var s8a = s8.then(testFunction8, testFunction8, testFunction8); // error
 >s8a : any
 >s8.then(testFunction8, testFunction8, testFunction8) : any
->s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s8 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction8 : <T>(x: T, cb: (a: T) => T) => IPromise<T>
 >testFunction8 : <T>(x: T, cb: (a: T) => T) => IPromise<T>
 >testFunction8 : <T>(x: T, cb: (a: T) => T) => IPromise<T>
@@ -821,9 +821,9 @@ var s8a = s8.then(testFunction8, testFunction8, testFunction8); // error
 var s8b = s8.then(testFunction8P, testFunction8P, testFunction8P); // error
 >s8b : any
 >s8.then(testFunction8P, testFunction8P, testFunction8P) : any
->s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s8 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction8P : <T>(x: T, cb: (a: T) => T) => Promise<T>
 >testFunction8P : <T>(x: T, cb: (a: T) => T) => Promise<T>
 >testFunction8P : <T>(x: T, cb: (a: T) => T) => Promise<T>
@@ -831,9 +831,9 @@ var s8b = s8.then(testFunction8P, testFunction8P, testFunction8P); // error
 var s8c = s8.then(testFunction8P, testFunction8, testFunction8); // error
 >s8c : any
 >s8.then(testFunction8P, testFunction8, testFunction8) : any
->s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s8 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction8P : <T>(x: T, cb: (a: T) => T) => Promise<T>
 >testFunction8 : <T>(x: T, cb: (a: T) => T) => IPromise<T>
 >testFunction8 : <T>(x: T, cb: (a: T) => T) => IPromise<T>
@@ -841,15 +841,15 @@ var s8c = s8.then(testFunction8P, testFunction8, testFunction8); // error
 var s8d = s8.then(nIPromise, nIPromise, nIPromise).then(nIPromise, nIPromise, nIPromise); // ok
 >s8d : Promise<IPromise<number>>
 >s8.then(nIPromise, nIPromise, nIPromise).then(nIPromise, nIPromise, nIPromise) : Promise<IPromise<number>>
->s8.then(nIPromise, nIPromise, nIPromise).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s8.then(nIPromise, nIPromise, nIPromise).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s8.then(nIPromise, nIPromise, nIPromise) : Promise<IPromise<number>>
->s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s8 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >nIPromise : (x: any) => IPromise<number>
 >nIPromise : (x: any) => IPromise<number>
 >nIPromise : (x: any) => IPromise<number>
->then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >nIPromise : (x: any) => IPromise<number>
 >nIPromise : (x: any) => IPromise<number>
 >nIPromise : (x: any) => IPromise<number>
@@ -919,9 +919,9 @@ var s9: Promise<number>;
 var s9a = s9.then(testFunction9, testFunction9, testFunction9); // error
 >s9a : any
 >s9.then(testFunction9, testFunction9, testFunction9) : any
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction9 : <T>(x: T, cb: <U>(a: U) => U) => IPromise<T>
 >testFunction9 : <T>(x: T, cb: <U>(a: U) => U) => IPromise<T>
 >testFunction9 : <T>(x: T, cb: <U>(a: U) => U) => IPromise<T>
@@ -929,9 +929,9 @@ var s9a = s9.then(testFunction9, testFunction9, testFunction9); // error
 var s9b = s9.then(testFunction9P, testFunction9P, testFunction9P); // error
 >s9b : any
 >s9.then(testFunction9P, testFunction9P, testFunction9P) : any
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction9P : <T>(x: T, cb: <U>(a: U) => U) => Promise<T>
 >testFunction9P : <T>(x: T, cb: <U>(a: U) => U) => Promise<T>
 >testFunction9P : <T>(x: T, cb: <U>(a: U) => U) => Promise<T>
@@ -939,9 +939,9 @@ var s9b = s9.then(testFunction9P, testFunction9P, testFunction9P); // error
 var s9c = s9.then(testFunction9P, testFunction9, testFunction9); // error
 >s9c : any
 >s9.then(testFunction9P, testFunction9, testFunction9) : any
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction9P : <T>(x: T, cb: <U>(a: U) => U) => Promise<T>
 >testFunction9 : <T>(x: T, cb: <U>(a: U) => U) => IPromise<T>
 >testFunction9 : <T>(x: T, cb: <U>(a: U) => U) => IPromise<T>
@@ -949,9 +949,9 @@ var s9c = s9.then(testFunction9P, testFunction9, testFunction9); // error
 var s9d = s9.then(sPromise, sPromise, sPromise); // ok
 >s9d : Promise<Promise<string>>
 >s9.then(sPromise, sPromise, sPromise) : Promise<Promise<string>>
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
@@ -959,9 +959,9 @@ var s9d = s9.then(sPromise, sPromise, sPromise); // ok
 var s9e = s9.then(nPromise, nPromise, nPromise); // ok
 >s9e : Promise<Promise<number>>
 >s9.then(nPromise, nPromise, nPromise) : Promise<Promise<number>>
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >nPromise : (x: any) => Promise<number>
 >nPromise : (x: any) => Promise<number>
 >nPromise : (x: any) => Promise<number>
@@ -969,9 +969,9 @@ var s9e = s9.then(nPromise, nPromise, nPromise); // ok
 var s9f = s9.then(testFunction, sIPromise, nIPromise); // error
 >s9f : any
 >s9.then(testFunction, sIPromise, nIPromise) : any
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction : () => IPromise<number>
 >sIPromise : (x: any) => IPromise<string>
 >nIPromise : (x: any) => IPromise<number>
@@ -979,15 +979,15 @@ var s9f = s9.then(testFunction, sIPromise, nIPromise); // error
 var s9g = s9.then(testFunction, nIPromise, sIPromise).then(sIPromise, sIPromise, sIPromise); // ok
 >s9g : Promise<IPromise<string>>
 >s9.then(testFunction, nIPromise, sIPromise).then(sIPromise, sIPromise, sIPromise) : Promise<IPromise<string>>
->s9.then(testFunction, nIPromise, sIPromise).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then(testFunction, nIPromise, sIPromise).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9.then(testFunction, nIPromise, sIPromise) : Promise<IPromise<number>>
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction : () => IPromise<number>
 >nIPromise : (x: any) => IPromise<number>
 >sIPromise : (x: any) => IPromise<string>
->then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
@@ -1067,9 +1067,9 @@ var s10 = testFunction10P(x => x);
 var s10a = s10.then(testFunction10, testFunction10, testFunction10); // ok
 >s10a : Promise<IPromise<unknown>>
 >s10.then(testFunction10, testFunction10, testFunction10) : Promise<IPromise<unknown>>
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction10 : <T>(cb: <U>(a: U) => U) => IPromise<T>
 >testFunction10 : <T>(cb: <U>(a: U) => U) => IPromise<T>
 >testFunction10 : <T>(cb: <U>(a: U) => U) => IPromise<T>
@@ -1077,9 +1077,9 @@ var s10a = s10.then(testFunction10, testFunction10, testFunction10); // ok
 var s10b = s10.then(testFunction10P, testFunction10P, testFunction10P); // ok
 >s10b : Promise<Promise<unknown>>
 >s10.then(testFunction10P, testFunction10P, testFunction10P) : Promise<Promise<unknown>>
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction10P : <T>(cb: <U>(a: U) => U) => Promise<T>
 >testFunction10P : <T>(cb: <U>(a: U) => U) => Promise<T>
 >testFunction10P : <T>(cb: <U>(a: U) => U) => Promise<T>
@@ -1087,9 +1087,9 @@ var s10b = s10.then(testFunction10P, testFunction10P, testFunction10P); // ok
 var s10c = s10.then(testFunction10P, testFunction10, testFunction10); // ok
 >s10c : Promise<IPromise<unknown>>
 >s10.then(testFunction10P, testFunction10, testFunction10) : Promise<IPromise<unknown>>
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction10P : <T>(cb: <U>(a: U) => U) => Promise<T>
 >testFunction10 : <T>(cb: <U>(a: U) => U) => IPromise<T>
 >testFunction10 : <T>(cb: <U>(a: U) => U) => IPromise<T>
@@ -1097,9 +1097,9 @@ var s10c = s10.then(testFunction10P, testFunction10, testFunction10); // ok
 var s10d = s10.then(sPromise, sPromise, sPromise); // ok
 >s10d : Promise<Promise<string>>
 >s10.then(sPromise, sPromise, sPromise) : Promise<Promise<string>>
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
@@ -1107,9 +1107,9 @@ var s10d = s10.then(sPromise, sPromise, sPromise); // ok
 var s10e = s10.then(nIPromise, nPromise, nIPromise); // ok
 >s10e : Promise<IPromise<number>>
 >s10.then(nIPromise, nPromise, nIPromise) : Promise<IPromise<number>>
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >nIPromise : (x: any) => IPromise<number>
 >nPromise : (x: any) => Promise<number>
 >nIPromise : (x: any) => IPromise<number>
@@ -1117,9 +1117,9 @@ var s10e = s10.then(nIPromise, nPromise, nIPromise); // ok
 var s10f = s10.then(testFunctionP, sIPromise, nIPromise); // error
 >s10f : any
 >s10.then(testFunctionP, sIPromise, nIPromise) : any
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunctionP : () => Promise<number>
 >sIPromise : (x: any) => IPromise<string>
 >nIPromise : (x: any) => IPromise<number>
@@ -1127,15 +1127,15 @@ var s10f = s10.then(testFunctionP, sIPromise, nIPromise); // error
 var s10g = s10.then(testFunctionP, nIPromise, sIPromise).then(sPromise, sIPromise, sIPromise); // ok
 >s10g : Promise<IPromise<string>>
 >s10.then(testFunctionP, nIPromise, sIPromise).then(sPromise, sIPromise, sIPromise) : Promise<IPromise<string>>
->s10.then(testFunctionP, nIPromise, sIPromise).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then(testFunctionP, nIPromise, sIPromise).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10.then(testFunctionP, nIPromise, sIPromise) : Promise<IPromise<number>>
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunctionP : () => Promise<number>
 >nIPromise : (x: any) => IPromise<number>
 >sIPromise : (x: any) => IPromise<string>
->then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sPromise : (x: any) => Promise<string>
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
@@ -1159,9 +1159,9 @@ var s11: Promise<number>;
 var s11a = s11.then(testFunction11, testFunction11, testFunction11); // ok
 >s11a : any
 >s11.then(testFunction11, testFunction11, testFunction11) : any
->s11.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s11.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s11 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction11 : { (x: number): IPromise<number>; (x: string): IPromise<string>; }
 >testFunction11 : { (x: number): IPromise<number>; (x: string): IPromise<string>; }
 >testFunction11 : { (x: number): IPromise<number>; (x: string): IPromise<string>; }
@@ -1169,9 +1169,9 @@ var s11a = s11.then(testFunction11, testFunction11, testFunction11); // ok
 var s11b = s11.then(testFunction11P, testFunction11P, testFunction11P); // ok
 >s11b : any
 >s11.then(testFunction11P, testFunction11P, testFunction11P) : any
->s11.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s11.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s11 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction11P : { (x: number): Promise<number>; (x: string): Promise<string>; }
 >testFunction11P : { (x: number): Promise<number>; (x: string): Promise<string>; }
 >testFunction11P : { (x: number): Promise<number>; (x: string): Promise<string>; }
@@ -1179,9 +1179,9 @@ var s11b = s11.then(testFunction11P, testFunction11P, testFunction11P); // ok
 var s11c = s11.then(testFunction11P, testFunction11, testFunction11); // ok
 >s11c : any
 >s11.then(testFunction11P, testFunction11, testFunction11) : any
->s11.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s11.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s11 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction11P : { (x: number): Promise<number>; (x: string): Promise<string>; }
 >testFunction11 : { (x: number): IPromise<number>; (x: string): IPromise<string>; }
 >testFunction11 : { (x: number): IPromise<number>; (x: string): IPromise<string>; }
diff --git a/tests/baselines/reference/promisePermutations3.errors.txt b/tests/baselines/reference/promisePermutations3.errors.txt
index 7467009abce93..123a5fdd3f955 100644
--- a/tests/baselines/reference/promisePermutations3.errors.txt
+++ b/tests/baselines/reference/promisePermutations3.errors.txt
@@ -103,7 +103,7 @@ tests/cases/compiler/promisePermutations3.ts(159,21): error TS2769: No overload
     Argument of type '{ (x: number): Promise<number>; (x: string): Promise<string>; }' is not assignable to parameter of type '(value: number) => IPromise<string>'.
       Call signature return types 'Promise<number>' and 'IPromise<string>' are incompatible.
         The types of 'then' are incompatible between these types.
-          Type '{ <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }' is not assignable to type '<U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void) => IPromise<U>'.
+          Type '{ <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }' is not assignable to type '<U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void) => IPromise<U>'.
             Types of parameters 'onfulfilled' and 'success' are incompatible.
               Types of parameters 'value' and 'value' are incompatible.
                 Type 'number' is not assignable to type 'string'.
@@ -398,7 +398,7 @@ tests/cases/compiler/promisePermutations3.ts(165,21): error TS2345: Argument of
 !!! error TS2769:   The last overload gave the following error.
 !!! error TS2769:     Argument of type '(x: any) => IPromise<string>' is not assignable to parameter of type '(error: any) => Promise<number>'.
 !!! error TS2769:       Property 'catch' is missing in type 'IPromise<string>' but required in type 'Promise<number>'.
-!!! related TS2728 /.ts/lib.es5.d.ts:1430:5: 'catch' is declared here.
+!!! related TS2728 /.ts/lib.es5.d.ts:1436:5: 'catch' is declared here.
 !!! related TS2771 tests/cases/compiler/promisePermutations3.ts:7:5: The last overload is declared here.
     var s10g = s10.then(testFunctionP, nIPromise, sIPromise).then(sPromise, sIPromise, sIPromise); // ok
     
@@ -431,7 +431,7 @@ tests/cases/compiler/promisePermutations3.ts(165,21): error TS2345: Argument of
 !!! error TS2769:     Argument of type '{ (x: number): Promise<number>; (x: string): Promise<string>; }' is not assignable to parameter of type '(value: number) => IPromise<string>'.
 !!! error TS2769:       Call signature return types 'Promise<number>' and 'IPromise<string>' are incompatible.
 !!! error TS2769:         The types of 'then' are incompatible between these types.
-!!! error TS2769:           Type '{ <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }' is not assignable to type '<U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void) => IPromise<U>'.
+!!! error TS2769:           Type '{ <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }' is not assignable to type '<U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void) => IPromise<U>'.
 !!! error TS2769:             Types of parameters 'onfulfilled' and 'success' are incompatible.
 !!! error TS2769:               Types of parameters 'value' and 'value' are incompatible.
 !!! error TS2769:                 Type 'number' is not assignable to type 'string'.
@@ -445,5 +445,5 @@ tests/cases/compiler/promisePermutations3.ts(165,21): error TS2345: Argument of
                         ~~~~~~~~~~~~~~~
 !!! error TS2345: Argument of type '{ <T>(x: T): IPromise<T>; <T>(x: T, y: T): Promise<T>; }' is not assignable to parameter of type '(value: (x: any) => any) => Promise<unknown>'.
 !!! error TS2345:   Property 'catch' is missing in type 'IPromise<any>' but required in type 'Promise<unknown>'.
-!!! related TS2728 /.ts/lib.es5.d.ts:1430:5: 'catch' is declared here.
+!!! related TS2728 /.ts/lib.es5.d.ts:1436:5: 'catch' is declared here.
     var s12c = s12.then(testFunction12P, testFunction12, testFunction12); // ok
\ No newline at end of file
diff --git a/tests/baselines/reference/promisePermutations3.types b/tests/baselines/reference/promisePermutations3.types
index a643b89b23ba9..a7751fd7c85f1 100644
--- a/tests/baselines/reference/promisePermutations3.types
+++ b/tests/baselines/reference/promisePermutations3.types
@@ -3,7 +3,7 @@
 
 interface Promise<T> {
     then<U>(success?: (value: T) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>;
->then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >success : (value: T) => Promise<U>
 >value : T
 >error : (error: any) => Promise<U>
@@ -12,7 +12,7 @@ interface Promise<T> {
 >progress : any
 
     then<U>(success?: (value: T) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>;
->then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >success : (value: T) => Promise<U>
 >value : T
 >error : (error: any) => U
@@ -21,7 +21,7 @@ interface Promise<T> {
 >progress : any
 
     then<U>(success?: (value: T) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>;
->then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >success : (value: T) => U
 >value : T
 >error : (error: any) => Promise<U>
@@ -30,7 +30,7 @@ interface Promise<T> {
 >progress : any
 
     then<U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>;
->then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: T) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >success : (value: T) => U
 >value : T
 >error : (error: any) => U
@@ -247,9 +247,9 @@ var s1: Promise<number>;
 var s1a = s1.then(testFunction, testFunction, testFunction);
 >s1a : Promise<IPromise<number>>
 >s1.then(testFunction, testFunction, testFunction) : Promise<IPromise<number>>
->s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s1 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction : () => IPromise<number>
 >testFunction : () => IPromise<number>
 >testFunction : () => IPromise<number>
@@ -257,9 +257,9 @@ var s1a = s1.then(testFunction, testFunction, testFunction);
 var s1b = s1.then(testFunctionP, testFunctionP, testFunctionP);
 >s1b : Promise<number>
 >s1.then(testFunctionP, testFunctionP, testFunctionP) : Promise<number>
->s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s1 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunctionP : () => Promise<number>
 >testFunctionP : () => Promise<number>
 >testFunctionP : () => Promise<number>
@@ -267,9 +267,9 @@ var s1b = s1.then(testFunctionP, testFunctionP, testFunctionP);
 var s1c = s1.then(testFunctionP, testFunction, testFunction);
 >s1c : Promise<IPromise<number>>
 >s1.then(testFunctionP, testFunction, testFunction) : Promise<IPromise<number>>
->s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s1 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunctionP : () => Promise<number>
 >testFunction : () => IPromise<number>
 >testFunction : () => IPromise<number>
@@ -277,15 +277,15 @@ var s1c = s1.then(testFunctionP, testFunction, testFunction);
 var s1d = s1.then(testFunctionP, testFunction, testFunction).then(testFunction, testFunction, testFunction);
 >s1d : Promise<IPromise<number>>
 >s1.then(testFunctionP, testFunction, testFunction).then(testFunction, testFunction, testFunction) : Promise<IPromise<number>>
->s1.then(testFunctionP, testFunction, testFunction).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s1.then(testFunctionP, testFunction, testFunction).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s1.then(testFunctionP, testFunction, testFunction) : Promise<IPromise<number>>
->s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s1.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s1 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunctionP : () => Promise<number>
 >testFunction : () => IPromise<number>
 >testFunction : () => IPromise<number>
->then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction : () => IPromise<number>
 >testFunction : () => IPromise<number>
 >testFunction : () => IPromise<number>
@@ -327,9 +327,9 @@ var s2: Promise<{ x: number; }>;
 var s2a = s2.then(testFunction2, testFunction2, testFunction2);
 >s2a : Promise<IPromise<{ x: number; }>>
 >s2.then(testFunction2, testFunction2, testFunction2) : Promise<IPromise<{ x: number; }>>
->s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s2 : Promise<{ x: number; }>
->then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction2 : () => IPromise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
@@ -337,9 +337,9 @@ var s2a = s2.then(testFunction2, testFunction2, testFunction2);
 var s2b = s2.then(testFunction2P, testFunction2P, testFunction2P);
 >s2b : Promise<{ x: number; }>
 >s2.then(testFunction2P, testFunction2P, testFunction2P) : Promise<{ x: number; }>
->s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s2 : Promise<{ x: number; }>
->then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction2P : () => Promise<{ x: number; }>
 >testFunction2P : () => Promise<{ x: number; }>
 >testFunction2P : () => Promise<{ x: number; }>
@@ -347,9 +347,9 @@ var s2b = s2.then(testFunction2P, testFunction2P, testFunction2P);
 var s2c = s2.then(testFunction2P, testFunction2, testFunction2);
 >s2c : Promise<IPromise<{ x: number; }>>
 >s2.then(testFunction2P, testFunction2, testFunction2) : Promise<IPromise<{ x: number; }>>
->s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s2 : Promise<{ x: number; }>
->then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction2P : () => Promise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
@@ -357,15 +357,15 @@ var s2c = s2.then(testFunction2P, testFunction2, testFunction2);
 var s2d = s2.then(testFunction2P, testFunction2, testFunction2).then(testFunction2, testFunction2, testFunction2);
 >s2d : Promise<IPromise<{ x: number; }>>
 >s2.then(testFunction2P, testFunction2, testFunction2).then(testFunction2, testFunction2, testFunction2) : Promise<IPromise<{ x: number; }>>
->s2.then(testFunction2P, testFunction2, testFunction2).then : { <TResult1 = IPromise<{ x: number; }>, TResult2 = never>(onfulfilled?: (value: IPromise<{ x: number; }>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<{ x: number; }>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s2.then(testFunction2P, testFunction2, testFunction2).then : { <TResult1 = IPromise<{ x: number; }>, TResult2 = never>(onfulfilled?: (value: IPromise<{ x: number; }>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<{ x: number; }>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s2.then(testFunction2P, testFunction2, testFunction2) : Promise<IPromise<{ x: number; }>>
->s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s2.then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s2 : Promise<{ x: number; }>
->then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = { x: number; }, TResult2 = never>(onfulfilled?: (value: { x: number; }) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: { x: number; }) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction2P : () => Promise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
->then : { <TResult1 = IPromise<{ x: number; }>, TResult2 = never>(onfulfilled?: (value: IPromise<{ x: number; }>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<{ x: number; }>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<{ x: number; }>, TResult2 = never>(onfulfilled?: (value: IPromise<{ x: number; }>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<{ x: number; }>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<{ x: number; }>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction2 : () => IPromise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
 >testFunction2 : () => IPromise<{ x: number; }>
@@ -405,9 +405,9 @@ var s3: Promise<number>;
 var s3a = s3.then(testFunction3, testFunction3, testFunction3);
 >s3a : Promise<IPromise<number>>
 >s3.then(testFunction3, testFunction3, testFunction3) : Promise<IPromise<number>>
->s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s3 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction3 : (x: number) => IPromise<number>
 >testFunction3 : (x: number) => IPromise<number>
 >testFunction3 : (x: number) => IPromise<number>
@@ -415,9 +415,9 @@ var s3a = s3.then(testFunction3, testFunction3, testFunction3);
 var s3b = s3.then(testFunction3P, testFunction3P, testFunction3P);
 >s3b : Promise<number>
 >s3.then(testFunction3P, testFunction3P, testFunction3P) : Promise<number>
->s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s3 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction3P : (x: number) => Promise<number>
 >testFunction3P : (x: number) => Promise<number>
 >testFunction3P : (x: number) => Promise<number>
@@ -425,9 +425,9 @@ var s3b = s3.then(testFunction3P, testFunction3P, testFunction3P);
 var s3c = s3.then(testFunction3P, testFunction3, testFunction3);
 >s3c : Promise<IPromise<number>>
 >s3.then(testFunction3P, testFunction3, testFunction3) : Promise<IPromise<number>>
->s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s3 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction3P : (x: number) => Promise<number>
 >testFunction3 : (x: number) => IPromise<number>
 >testFunction3 : (x: number) => IPromise<number>
@@ -435,15 +435,15 @@ var s3c = s3.then(testFunction3P, testFunction3, testFunction3);
 var s3d = s3.then(testFunction3P, testFunction3, testFunction3).then(testFunction3, testFunction3, testFunction3);
 >s3d : any
 >s3.then(testFunction3P, testFunction3, testFunction3).then(testFunction3, testFunction3, testFunction3) : any
->s3.then(testFunction3P, testFunction3, testFunction3).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s3.then(testFunction3P, testFunction3, testFunction3).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s3.then(testFunction3P, testFunction3, testFunction3) : Promise<IPromise<number>>
->s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s3.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s3 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction3P : (x: number) => Promise<number>
 >testFunction3 : (x: number) => IPromise<number>
 >testFunction3 : (x: number) => IPromise<number>
->then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction3 : (x: number) => IPromise<number>
 >testFunction3 : (x: number) => IPromise<number>
 >testFunction3 : (x: number) => IPromise<number>
@@ -491,9 +491,9 @@ var s4: Promise<string>;
 var s4a = s4.then(testFunction4, testFunction4, testFunction4); // error
 >s4a : any
 >s4.then(testFunction4, testFunction4, testFunction4) : any
->s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s4 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction4 : (x: number, y?: string) => IPromise<string>
 >testFunction4 : (x: number, y?: string) => IPromise<string>
 >testFunction4 : (x: number, y?: string) => IPromise<string>
@@ -501,9 +501,9 @@ var s4a = s4.then(testFunction4, testFunction4, testFunction4); // error
 var s4b = s4.then(testFunction4P, testFunction4P, testFunction4P); // error 
 >s4b : any
 >s4.then(testFunction4P, testFunction4P, testFunction4P) : any
->s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s4 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction4P : (x: number, y?: string) => Promise<string>
 >testFunction4P : (x: number, y?: string) => Promise<string>
 >testFunction4P : (x: number, y?: string) => Promise<string>
@@ -511,9 +511,9 @@ var s4b = s4.then(testFunction4P, testFunction4P, testFunction4P); // error
 var s4c = s4.then(testFunction4P, testFunction4, testFunction4); // error
 >s4c : any
 >s4.then(testFunction4P, testFunction4, testFunction4) : any
->s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s4 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction4P : (x: number, y?: string) => Promise<string>
 >testFunction4 : (x: number, y?: string) => IPromise<string>
 >testFunction4 : (x: number, y?: string) => IPromise<string>
@@ -521,15 +521,15 @@ var s4c = s4.then(testFunction4P, testFunction4, testFunction4); // error
 var s4d = s4.then(sIPromise, testFunction4P, testFunction4).then(sIPromise, testFunction4P, testFunction4);
 >s4d : Promise<IPromise<string>>
 >s4.then(sIPromise, testFunction4P, testFunction4).then(sIPromise, testFunction4P, testFunction4) : Promise<IPromise<string>>
->s4.then(sIPromise, testFunction4P, testFunction4).then : { <TResult1 = IPromise<string>, TResult2 = never>(onfulfilled?: (value: IPromise<string>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<string>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s4.then(sIPromise, testFunction4P, testFunction4).then : { <TResult1 = IPromise<string>, TResult2 = never>(onfulfilled?: (value: IPromise<string>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<string>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s4.then(sIPromise, testFunction4P, testFunction4) : Promise<IPromise<string>>
->s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s4.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s4 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sIPromise : (x: any) => IPromise<string>
 >testFunction4P : (x: number, y?: string) => Promise<string>
 >testFunction4 : (x: number, y?: string) => IPromise<string>
->then : { <TResult1 = IPromise<string>, TResult2 = never>(onfulfilled?: (value: IPromise<string>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<string>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<string>, TResult2 = never>(onfulfilled?: (value: IPromise<string>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<string>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<string>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sIPromise : (x: any) => IPromise<string>
 >testFunction4P : (x: number, y?: string) => Promise<string>
 >testFunction4 : (x: number, y?: string) => IPromise<string>
@@ -569,9 +569,9 @@ var s5: Promise<string>;
 var s5a = s5.then(testFunction5, testFunction5, testFunction5); // error
 >s5a : any
 >s5.then(testFunction5, testFunction5, testFunction5) : any
->s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s5 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction5 : (x: number, cb: (a: string) => string) => IPromise<string>
 >testFunction5 : (x: number, cb: (a: string) => string) => IPromise<string>
 >testFunction5 : (x: number, cb: (a: string) => string) => IPromise<string>
@@ -579,9 +579,9 @@ var s5a = s5.then(testFunction5, testFunction5, testFunction5); // error
 var s5b = s5.then(testFunction5P, testFunction5P, testFunction5P); // error
 >s5b : any
 >s5.then(testFunction5P, testFunction5P, testFunction5P) : any
->s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s5 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction5P : (x: number, cb: (a: string) => string) => Promise<string>
 >testFunction5P : (x: number, cb: (a: string) => string) => Promise<string>
 >testFunction5P : (x: number, cb: (a: string) => string) => Promise<string>
@@ -589,9 +589,9 @@ var s5b = s5.then(testFunction5P, testFunction5P, testFunction5P); // error
 var s5c = s5.then(testFunction5P, testFunction5, testFunction5); // error
 >s5c : any
 >s5.then(testFunction5P, testFunction5, testFunction5) : any
->s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s5 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction5P : (x: number, cb: (a: string) => string) => Promise<string>
 >testFunction5 : (x: number, cb: (a: string) => string) => IPromise<string>
 >testFunction5 : (x: number, cb: (a: string) => string) => IPromise<string>
@@ -599,15 +599,15 @@ var s5c = s5.then(testFunction5P, testFunction5, testFunction5); // error
 var s5d = s5.then(sPromise, sPromise, sPromise).then(sIPromise, sIPromise, sIPromise); // ok
 >s5d : Promise<IPromise<string>>
 >s5.then(sPromise, sPromise, sPromise).then(sIPromise, sIPromise, sIPromise) : Promise<IPromise<string>>
->s5.then(sPromise, sPromise, sPromise).then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s5.then(sPromise, sPromise, sPromise).then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s5.then(sPromise, sPromise, sPromise) : Promise<string>
->s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s5.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s5 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
@@ -647,9 +647,9 @@ var s6: Promise<string>;
 var s6a = s6.then(testFunction6, testFunction6, testFunction6); // error
 >s6a : any
 >s6.then(testFunction6, testFunction6, testFunction6) : any
->s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s6 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction6 : (x: number, cb: <T>(a: T) => T) => IPromise<string>
 >testFunction6 : (x: number, cb: <T>(a: T) => T) => IPromise<string>
 >testFunction6 : (x: number, cb: <T>(a: T) => T) => IPromise<string>
@@ -657,9 +657,9 @@ var s6a = s6.then(testFunction6, testFunction6, testFunction6); // error
 var s6b = s6.then(testFunction6P, testFunction6P, testFunction6P); // error
 >s6b : any
 >s6.then(testFunction6P, testFunction6P, testFunction6P) : any
->s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s6 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction6P : (x: number, cb: <T>(a: T) => T) => Promise<string>
 >testFunction6P : (x: number, cb: <T>(a: T) => T) => Promise<string>
 >testFunction6P : (x: number, cb: <T>(a: T) => T) => Promise<string>
@@ -667,9 +667,9 @@ var s6b = s6.then(testFunction6P, testFunction6P, testFunction6P); // error
 var s6c = s6.then(testFunction6P, testFunction6, testFunction6); // error
 >s6c : any
 >s6.then(testFunction6P, testFunction6, testFunction6) : any
->s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s6 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction6P : (x: number, cb: <T>(a: T) => T) => Promise<string>
 >testFunction6 : (x: number, cb: <T>(a: T) => T) => IPromise<string>
 >testFunction6 : (x: number, cb: <T>(a: T) => T) => IPromise<string>
@@ -677,15 +677,15 @@ var s6c = s6.then(testFunction6P, testFunction6, testFunction6); // error
 var s6d = s6.then(sPromise, sPromise, sPromise).then(sIPromise, sIPromise, sIPromise); // ok
 >s6d : Promise<IPromise<string>>
 >s6.then(sPromise, sPromise, sPromise).then(sIPromise, sIPromise, sIPromise) : Promise<IPromise<string>>
->s6.then(sPromise, sPromise, sPromise).then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s6.then(sPromise, sPromise, sPromise).then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s6.then(sPromise, sPromise, sPromise) : Promise<string>
->s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s6.then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s6 : Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: string) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
@@ -811,9 +811,9 @@ var s8: Promise<number>;
 var s8a = s8.then(testFunction8, testFunction8, testFunction8); // error
 >s8a : any
 >s8.then(testFunction8, testFunction8, testFunction8) : any
->s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s8 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction8 : <T>(x: T, cb: (a: T) => T) => IPromise<T>
 >testFunction8 : <T>(x: T, cb: (a: T) => T) => IPromise<T>
 >testFunction8 : <T>(x: T, cb: (a: T) => T) => IPromise<T>
@@ -821,9 +821,9 @@ var s8a = s8.then(testFunction8, testFunction8, testFunction8); // error
 var s8b = s8.then(testFunction8P, testFunction8P, testFunction8P); // error
 >s8b : any
 >s8.then(testFunction8P, testFunction8P, testFunction8P) : any
->s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s8 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction8P : <T>(x: T, cb: (a: T) => T) => Promise<T>
 >testFunction8P : <T>(x: T, cb: (a: T) => T) => Promise<T>
 >testFunction8P : <T>(x: T, cb: (a: T) => T) => Promise<T>
@@ -831,9 +831,9 @@ var s8b = s8.then(testFunction8P, testFunction8P, testFunction8P); // error
 var s8c = s8.then(testFunction8P, testFunction8, testFunction8); // error
 >s8c : any
 >s8.then(testFunction8P, testFunction8, testFunction8) : any
->s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s8 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction8P : <T>(x: T, cb: (a: T) => T) => Promise<T>
 >testFunction8 : <T>(x: T, cb: (a: T) => T) => IPromise<T>
 >testFunction8 : <T>(x: T, cb: (a: T) => T) => IPromise<T>
@@ -841,15 +841,15 @@ var s8c = s8.then(testFunction8P, testFunction8, testFunction8); // error
 var s8d = s8.then(nIPromise, nIPromise, nIPromise).then(nIPromise, nIPromise, nIPromise); // ok
 >s8d : Promise<IPromise<number>>
 >s8.then(nIPromise, nIPromise, nIPromise).then(nIPromise, nIPromise, nIPromise) : Promise<IPromise<number>>
->s8.then(nIPromise, nIPromise, nIPromise).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s8.then(nIPromise, nIPromise, nIPromise).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s8.then(nIPromise, nIPromise, nIPromise) : Promise<IPromise<number>>
->s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s8.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s8 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >nIPromise : (x: any) => IPromise<number>
 >nIPromise : (x: any) => IPromise<number>
 >nIPromise : (x: any) => IPromise<number>
->then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >nIPromise : (x: any) => IPromise<number>
 >nIPromise : (x: any) => IPromise<number>
 >nIPromise : (x: any) => IPromise<number>
@@ -919,9 +919,9 @@ var s9: Promise<number>;
 var s9a = s9.then(testFunction9, testFunction9, testFunction9); // error
 >s9a : any
 >s9.then(testFunction9, testFunction9, testFunction9) : any
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction9 : <T>(x: T, cb: <U>(a: U) => U) => IPromise<T>
 >testFunction9 : <T>(x: T, cb: <U>(a: U) => U) => IPromise<T>
 >testFunction9 : <T>(x: T, cb: <U>(a: U) => U) => IPromise<T>
@@ -929,9 +929,9 @@ var s9a = s9.then(testFunction9, testFunction9, testFunction9); // error
 var s9b = s9.then(testFunction9P, testFunction9P, testFunction9P); // error
 >s9b : any
 >s9.then(testFunction9P, testFunction9P, testFunction9P) : any
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction9P : <T>(x: T, cb: <U>(a: U) => U) => Promise<T>
 >testFunction9P : <T>(x: T, cb: <U>(a: U) => U) => Promise<T>
 >testFunction9P : <T>(x: T, cb: <U>(a: U) => U) => Promise<T>
@@ -939,9 +939,9 @@ var s9b = s9.then(testFunction9P, testFunction9P, testFunction9P); // error
 var s9c = s9.then(testFunction9P, testFunction9, testFunction9); // error
 >s9c : any
 >s9.then(testFunction9P, testFunction9, testFunction9) : any
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction9P : <T>(x: T, cb: <U>(a: U) => U) => Promise<T>
 >testFunction9 : <T>(x: T, cb: <U>(a: U) => U) => IPromise<T>
 >testFunction9 : <T>(x: T, cb: <U>(a: U) => U) => IPromise<T>
@@ -949,9 +949,9 @@ var s9c = s9.then(testFunction9P, testFunction9, testFunction9); // error
 var s9d = s9.then(sPromise, sPromise, sPromise); // ok
 >s9d : Promise<string>
 >s9.then(sPromise, sPromise, sPromise) : Promise<string>
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
@@ -959,9 +959,9 @@ var s9d = s9.then(sPromise, sPromise, sPromise); // ok
 var s9e = s9.then(nPromise, nPromise, nPromise); // ok
 >s9e : Promise<number>
 >s9.then(nPromise, nPromise, nPromise) : Promise<number>
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >nPromise : (x: any) => Promise<number>
 >nPromise : (x: any) => Promise<number>
 >nPromise : (x: any) => Promise<number>
@@ -969,9 +969,9 @@ var s9e = s9.then(nPromise, nPromise, nPromise); // ok
 var s9f = s9.then(testFunction, sIPromise, nIPromise); // error
 >s9f : any
 >s9.then(testFunction, sIPromise, nIPromise) : any
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction : () => IPromise<number>
 >sIPromise : (x: any) => IPromise<string>
 >nIPromise : (x: any) => IPromise<number>
@@ -979,15 +979,15 @@ var s9f = s9.then(testFunction, sIPromise, nIPromise); // error
 var s9g = s9.then(testFunction, nIPromise, sIPromise).then(sIPromise, sIPromise, sIPromise); // ok
 >s9g : Promise<IPromise<string>>
 >s9.then(testFunction, nIPromise, sIPromise).then(sIPromise, sIPromise, sIPromise) : Promise<IPromise<string>>
->s9.then(testFunction, nIPromise, sIPromise).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then(testFunction, nIPromise, sIPromise).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9.then(testFunction, nIPromise, sIPromise) : Promise<IPromise<number>>
->s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s9.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s9 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction : () => IPromise<number>
 >nIPromise : (x: any) => IPromise<number>
 >sIPromise : (x: any) => IPromise<string>
->then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
@@ -1067,9 +1067,9 @@ var s10 = testFunction10P(x => x);
 var s10a = s10.then(testFunction10, testFunction10, testFunction10); // ok
 >s10a : Promise<IPromise<unknown>>
 >s10.then(testFunction10, testFunction10, testFunction10) : Promise<IPromise<unknown>>
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction10 : <T>(cb: <U>(a: U) => U) => IPromise<T>
 >testFunction10 : <T>(cb: <U>(a: U) => U) => IPromise<T>
 >testFunction10 : <T>(cb: <U>(a: U) => U) => IPromise<T>
@@ -1077,9 +1077,9 @@ var s10a = s10.then(testFunction10, testFunction10, testFunction10); // ok
 var s10b = s10.then(testFunction10P, testFunction10P, testFunction10P); // ok
 >s10b : Promise<unknown>
 >s10.then(testFunction10P, testFunction10P, testFunction10P) : Promise<unknown>
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction10P : <T>(cb: <U>(a: U) => U) => Promise<T>
 >testFunction10P : <T>(cb: <U>(a: U) => U) => Promise<T>
 >testFunction10P : <T>(cb: <U>(a: U) => U) => Promise<T>
@@ -1087,9 +1087,9 @@ var s10b = s10.then(testFunction10P, testFunction10P, testFunction10P); // ok
 var s10c = s10.then(testFunction10P, testFunction10, testFunction10); // ok
 >s10c : Promise<unknown>
 >s10.then(testFunction10P, testFunction10, testFunction10) : Promise<unknown>
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction10P : <T>(cb: <U>(a: U) => U) => Promise<T>
 >testFunction10 : <T>(cb: <U>(a: U) => U) => IPromise<T>
 >testFunction10 : <T>(cb: <U>(a: U) => U) => IPromise<T>
@@ -1097,9 +1097,9 @@ var s10c = s10.then(testFunction10P, testFunction10, testFunction10); // ok
 var s10d = s10.then(sPromise, sPromise, sPromise); // ok
 >s10d : Promise<string>
 >s10.then(sPromise, sPromise, sPromise) : Promise<string>
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
 >sPromise : (x: any) => Promise<string>
@@ -1107,9 +1107,9 @@ var s10d = s10.then(sPromise, sPromise, sPromise); // ok
 var s10e = s10.then(nIPromise, nPromise, nIPromise); // ok
 >s10e : Promise<IPromise<number>>
 >s10.then(nIPromise, nPromise, nIPromise) : Promise<IPromise<number>>
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >nIPromise : (x: any) => IPromise<number>
 >nPromise : (x: any) => Promise<number>
 >nIPromise : (x: any) => IPromise<number>
@@ -1117,9 +1117,9 @@ var s10e = s10.then(nIPromise, nPromise, nIPromise); // ok
 var s10f = s10.then(testFunctionP, sIPromise, nIPromise); // error
 >s10f : any
 >s10.then(testFunctionP, sIPromise, nIPromise) : any
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunctionP : () => Promise<number>
 >sIPromise : (x: any) => IPromise<string>
 >nIPromise : (x: any) => IPromise<number>
@@ -1127,15 +1127,15 @@ var s10f = s10.then(testFunctionP, sIPromise, nIPromise); // error
 var s10g = s10.then(testFunctionP, nIPromise, sIPromise).then(sPromise, sIPromise, sIPromise); // ok
 >s10g : Promise<IPromise<string>>
 >s10.then(testFunctionP, nIPromise, sIPromise).then(sPromise, sIPromise, sIPromise) : Promise<IPromise<string>>
->s10.then(testFunctionP, nIPromise, sIPromise).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then(testFunctionP, nIPromise, sIPromise).then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10.then(testFunctionP, nIPromise, sIPromise) : Promise<IPromise<number>>
->s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s10.then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s10 : Promise<unknown>
->then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = unknown, TResult2 = never>(onfulfilled?: (value: unknown) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: unknown) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunctionP : () => Promise<number>
 >nIPromise : (x: any) => IPromise<number>
 >sIPromise : (x: any) => IPromise<string>
->then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = IPromise<number>, TResult2 = never>(onfulfilled?: (value: IPromise<number>) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: IPromise<number>) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >sPromise : (x: any) => Promise<string>
 >sIPromise : (x: any) => IPromise<string>
 >sIPromise : (x: any) => IPromise<string>
@@ -1159,9 +1159,9 @@ var s11: Promise<number>;
 var s11a = s11.then(testFunction11, testFunction11, testFunction11); // ok
 >s11a : any
 >s11.then(testFunction11, testFunction11, testFunction11) : any
->s11.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s11.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s11 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction11 : { (x: number): IPromise<number>; (x: string): IPromise<string>; }
 >testFunction11 : { (x: number): IPromise<number>; (x: string): IPromise<string>; }
 >testFunction11 : { (x: number): IPromise<number>; (x: string): IPromise<string>; }
@@ -1169,9 +1169,9 @@ var s11a = s11.then(testFunction11, testFunction11, testFunction11); // ok
 var s11b = s11.then(testFunction11P, testFunction11P, testFunction11P); // error
 >s11b : any
 >s11.then(testFunction11P, testFunction11P, testFunction11P) : any
->s11.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s11.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s11 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction11P : { (x: number): Promise<number>; (x: string): Promise<string>; }
 >testFunction11P : { (x: number): Promise<number>; (x: string): Promise<string>; }
 >testFunction11P : { (x: number): Promise<number>; (x: string): Promise<string>; }
@@ -1179,9 +1179,9 @@ var s11b = s11.then(testFunction11P, testFunction11P, testFunction11P); // error
 var s11c = s11.then(testFunction11P, testFunction11, testFunction11); // error
 >s11c : any
 >s11.then(testFunction11P, testFunction11, testFunction11) : any
->s11.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>s11.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >s11 : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => Promise<U>, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => Promise<U>, progress?: (progress: any) => void): Promise<U>; <U>(success?: (value: number) => U, error?: (error: any) => U, progress?: (progress: any) => void): Promise<U>; }
 >testFunction11P : { (x: number): Promise<number>; (x: string): Promise<string>; }
 >testFunction11 : { (x: number): IPromise<number>; (x: string): IPromise<string>; }
 >testFunction11 : { (x: number): IPromise<number>; (x: string): IPromise<string>; }
diff --git a/tests/baselines/reference/promiseTest.types b/tests/baselines/reference/promiseTest.types
index 3d250c11c1f87..06d72b6d6e7b5 100644
--- a/tests/baselines/reference/promiseTest.types
+++ b/tests/baselines/reference/promiseTest.types
@@ -1,12 +1,12 @@
 === tests/cases/compiler/promiseTest.ts ===
 interface Promise<T> {
     then<A>(success?: (value: T) => Promise<A>): Promise<A>;
->then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <A>(success?: (value: T) => Promise<A>): Promise<A>; <B>(success?: (value: T) => B): Promise<B>; }
+>then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <A>(success?: (value: T) => Promise<A>): Promise<A>; <B>(success?: (value: T) => B): Promise<B>; }
 >success : (value: T) => Promise<A>
 >value : T
 
     then<B>(success?: (value: T) => B): Promise<B>;
->then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <A>(success?: (value: T) => Promise<A>): Promise<A>; <B>(success?: (value: T) => B): Promise<B>; }
+>then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <A>(success?: (value: T) => Promise<A>): Promise<A>; <B>(success?: (value: T) => B): Promise<B>; }
 >success : (value: T) => B
 >value : T
 
@@ -21,9 +21,9 @@ var p: Promise<number> = null;
 var p2 = p.then(function (x) {
 >p2 : Promise<number>
 >p.then(function (x) {    return p;} ) : Promise<number>
->p.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <A>(success?: (value: number) => Promise<A>): Promise<A>; <B>(success?: (value: number) => B): Promise<B>; }
+>p.then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <A>(success?: (value: number) => Promise<A>): Promise<A>; <B>(success?: (value: number) => B): Promise<B>; }
 >p : Promise<number>
->then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <A>(success?: (value: number) => Promise<A>): Promise<A>; <B>(success?: (value: number) => B): Promise<B>; }
+>then : { <TResult1 = number, TResult2 = never>(onfulfilled?: (value: number) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <A>(success?: (value: number) => Promise<A>): Promise<A>; <B>(success?: (value: number) => B): Promise<B>; }
 >function (x) {    return p;} : (x: number) => Promise<number>
 >x : number
 
diff --git a/tests/baselines/reference/promiseType.js b/tests/baselines/reference/promiseType.js
index 84d9d713b4810..9d8cd08ae78d0 100644
--- a/tests/baselines/reference/promiseType.js
+++ b/tests/baselines/reference/promiseType.js
@@ -217,6 +217,18 @@ const pc6 = p.then(() => Promise.reject("1"), () => {});
 const pc7 = p.then(() => Promise.reject("1"), () => {throw 1});
 const pc8 = p.then(() => Promise.reject("1"), () => Promise.resolve(1));
 const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
+
+const expected: undefined = undefined as Awaited<undefined>;
+
+// #28427
+
+Promise.all([undefined as Promise<number> | string]);
+
+Promise.resolve(undefined as Promise<number> | string);
+
+// #30390
+
+(undefined as Promise<any>).then(undefined as () => Promise<number> | string);
 
 
 //// [promiseType.js]
@@ -440,3 +452,9 @@ const pc6 = p.then(() => Promise.reject("1"), () => { });
 const pc7 = p.then(() => Promise.reject("1"), () => { throw 1; });
 const pc8 = p.then(() => Promise.reject("1"), () => Promise.resolve(1));
 const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
+const expected = undefined;
+// #28427
+Promise.all([undefined]);
+Promise.resolve(undefined);
+// #30390
+undefined.then(undefined);
diff --git a/tests/baselines/reference/promiseType.symbols b/tests/baselines/reference/promiseType.symbols
index cec81cd7d8266..21dfb398581c5 100644
--- a/tests/baselines/reference/promiseType.symbols
+++ b/tests/baselines/reference/promiseType.symbols
@@ -1089,3 +1089,34 @@ const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
 >reject : Symbol(PromiseConstructor.reject, Decl(lib.es2015.promise.d.ts, --, --))
 
+const expected: undefined = undefined as Awaited<undefined>;
+>expected : Symbol(expected, Decl(promiseType.ts, 219, 5))
+>undefined : Symbol(undefined)
+>Awaited : Symbol(Awaited, Decl(lib.es5.d.ts, --, --))
+
+// #28427
+
+Promise.all([undefined as Promise<number> | string]);
+>Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>undefined : Symbol(undefined)
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+
+Promise.resolve(undefined as Promise<number> | string);
+>Promise.resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>undefined : Symbol(undefined)
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+
+// #30390
+
+(undefined as Promise<any>).then(undefined as () => Promise<number> | string);
+>(undefined as Promise<any>).then : Symbol(Promise.then, Decl(lib.es5.d.ts, --, --))
+>undefined : Symbol(undefined)
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>then : Symbol(Promise.then, Decl(lib.es5.d.ts, --, --))
+>undefined : Symbol(undefined)
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+
diff --git a/tests/baselines/reference/promiseType.types b/tests/baselines/reference/promiseType.types
index dd20fb656ea5a..f043972081460 100644
--- a/tests/baselines/reference/promiseType.types
+++ b/tests/baselines/reference/promiseType.types
@@ -182,92 +182,92 @@ async function I() {
 const p00 = p.catch();
 >p00 : Promise<boolean>
 >p.catch() : Promise<boolean>
->p.catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 
 const p01 = p.then();
 >p01 : Promise<boolean>
 >p.then() : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 
 const p10 = p.catch(undefined);
 >p10 : Promise<boolean>
 >p.catch(undefined) : Promise<boolean>
->p.catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >undefined : undefined
 
 const p11 = p.catch(null);
 >p11 : Promise<boolean>
 >p.catch(null) : Promise<boolean>
->p.catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >null : null
 
 const p12 = p.catch(() => 1);
 >p12 : Promise<number | boolean>
 >p.catch(() => 1) : Promise<number | boolean>
->p.catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >() => 1 : () => number
 >1 : 1
 
 const p13 = p.catch(() => x);
 >p13 : Promise<any>
 >p.catch(() => x) : Promise<any>
->p.catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >() => x : () => any
 >x : any
 
 const p14 = p.catch(() => undefined);
 >p14 : Promise<any>
 >p.catch(() => undefined) : Promise<any>
->p.catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >() => undefined : () => any
 >undefined : undefined
 
 const p15 = p.catch(() => null);
 >p15 : Promise<any>
 >p.catch(() => null) : Promise<any>
->p.catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >() => null : () => any
 >null : null
 
 const p16 = p.catch(() => {});
 >p16 : Promise<boolean | void>
 >p.catch(() => {}) : Promise<boolean | void>
->p.catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >() => {} : () => void
 
 const p17 = p.catch(() => {throw 1});
 >p17 : Promise<boolean>
 >p.catch(() => {throw 1}) : Promise<boolean>
->p.catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >() => {throw 1} : () => never
 >1 : 1
 
 const p18 = p.catch(() => Promise.reject(1));
 >p18 : Promise<boolean>
 >p.catch(() => Promise.reject(1)) : Promise<boolean>
->p.catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >() => Promise.reject(1) : () => Promise<never>
 >Promise.reject(1) : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -278,104 +278,104 @@ const p18 = p.catch(() => Promise.reject(1));
 const p19 = p.catch(() => Promise.resolve(1));
 >p19 : Promise<number | boolean>
 >p.catch(() => Promise.resolve(1)) : Promise<number | boolean>
->p.catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: (reason: any) => TResult) => Promise<boolean | Awaited<TResult>>
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p20 = p.then(undefined);
 >p20 : Promise<boolean>
 >p.then(undefined) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 
 const p21 = p.then(null);
 >p21 : Promise<boolean>
 >p.then(null) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 
 const p22 = p.then(() => 1);
 >p22 : Promise<number>
 >p.then(() => 1) : Promise<number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => 1 : () => number
 >1 : 1
 
 const p23 = p.then(() => x);
 >p23 : Promise<any>
 >p.then(() => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 
 const p24 = p.then(() => undefined);
 >p24 : Promise<any>
 >p.then(() => undefined) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => any
 >undefined : undefined
 
 const p25 = p.then(() => null);
 >p25 : Promise<any>
 >p.then(() => null) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => any
 >null : null
 
 const p26 = p.then(() => {});
 >p26 : Promise<void>
 >p.then(() => {}) : Promise<void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 
 const p27 = p.then(() => {throw 1});
 >p27 : Promise<never>
 >p.then(() => {throw 1}) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 
 const p28 = p.then(() => Promise.resolve(1));
 >p28 : Promise<number>
 >p.then(() => Promise.resolve(1)) : Promise<number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p29 = p.then(() => Promise.reject(1));
 >p29 : Promise<never>
 >p.then(() => Promise.reject(1)) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject(1) : () => Promise<never>
 >Promise.reject(1) : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -386,27 +386,27 @@ const p29 = p.then(() => Promise.reject(1));
 const p30 = p.then(undefined, undefined);
 >p30 : Promise<boolean>
 >p.then(undefined, undefined) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >undefined : undefined
 
 const p31 = p.then(undefined, null);
 >p31 : Promise<boolean>
 >p.then(undefined, null) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >null : null
 
 const p32 = p.then(undefined, () => 1);
 >p32 : Promise<number | boolean>
 >p.then(undefined, () => 1) : Promise<number | boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >() => 1 : () => number
 >1 : 1
@@ -414,9 +414,9 @@ const p32 = p.then(undefined, () => 1);
 const p33 = p.then(undefined, () => x);
 >p33 : Promise<any>
 >p.then(undefined, () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >() => x : () => any
 >x : any
@@ -424,9 +424,9 @@ const p33 = p.then(undefined, () => x);
 const p34 = p.then(undefined, () => undefined);
 >p34 : Promise<any>
 >p.then(undefined, () => undefined) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >() => undefined : () => any
 >undefined : undefined
@@ -434,9 +434,9 @@ const p34 = p.then(undefined, () => undefined);
 const p35 = p.then(undefined, () => null);
 >p35 : Promise<any>
 >p.then(undefined, () => null) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >() => null : () => any
 >null : null
@@ -444,18 +444,18 @@ const p35 = p.then(undefined, () => null);
 const p36 = p.then(undefined, () => {});
 >p36 : Promise<boolean | void>
 >p.then(undefined, () => {}) : Promise<boolean | void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >() => {} : () => void
 
 const p37 = p.then(undefined, () => {throw 1});
 >p37 : Promise<boolean>
 >p.then(undefined, () => {throw 1}) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >() => {throw 1} : () => never
 >1 : 1
@@ -463,23 +463,23 @@ const p37 = p.then(undefined, () => {throw 1});
 const p38 = p.then(undefined, () => Promise.resolve(1));
 >p38 : Promise<number | boolean>
 >p.then(undefined, () => Promise.resolve(1)) : Promise<number | boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p39 = p.then(undefined, () => Promise.reject(1));
 >p39 : Promise<boolean>
 >p.then(undefined, () => Promise.reject(1)) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >() => Promise.reject(1) : () => Promise<never>
 >Promise.reject(1) : Promise<never>
@@ -491,27 +491,27 @@ const p39 = p.then(undefined, () => Promise.reject(1));
 const p40 = p.then(null, undefined);
 >p40 : Promise<boolean>
 >p.then(null, undefined) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >undefined : undefined
 
 const p41 = p.then(null, null);
 >p41 : Promise<boolean>
 >p.then(null, null) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >null : null
 
 const p42 = p.then(null, () => 1);
 >p42 : Promise<number | boolean>
 >p.then(null, () => 1) : Promise<number | boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >() => 1 : () => number
 >1 : 1
@@ -519,9 +519,9 @@ const p42 = p.then(null, () => 1);
 const p43 = p.then(null, () => x);
 >p43 : Promise<any>
 >p.then(null, () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >() => x : () => any
 >x : any
@@ -529,9 +529,9 @@ const p43 = p.then(null, () => x);
 const p44 = p.then(null, () => undefined);
 >p44 : Promise<any>
 >p.then(null, () => undefined) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >() => undefined : () => any
 >undefined : undefined
@@ -539,9 +539,9 @@ const p44 = p.then(null, () => undefined);
 const p45 = p.then(null, () => null);
 >p45 : Promise<any>
 >p.then(null, () => null) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >() => null : () => any
 >null : null
@@ -549,18 +549,18 @@ const p45 = p.then(null, () => null);
 const p46 = p.then(null, () => {});
 >p46 : Promise<boolean | void>
 >p.then(null, () => {}) : Promise<boolean | void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >() => {} : () => void
 
 const p47 = p.then(null, () => {throw 1});
 >p47 : Promise<boolean>
 >p.then(null, () => {throw 1}) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >() => {throw 1} : () => never
 >1 : 1
@@ -568,23 +568,23 @@ const p47 = p.then(null, () => {throw 1});
 const p48 = p.then(null, () => Promise.resolve(1));
 >p48 : Promise<number | boolean>
 >p.then(null, () => Promise.resolve(1)) : Promise<number | boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p49 = p.then(null, () => Promise.reject(1));
 >p49 : Promise<boolean>
 >p.then(null, () => Promise.reject(1)) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >() => Promise.reject(1) : () => Promise<never>
 >Promise.reject(1) : Promise<never>
@@ -596,9 +596,9 @@ const p49 = p.then(null, () => Promise.reject(1));
 const p50 = p.then(() => "1", undefined);
 >p50 : Promise<string>
 >p.then(() => "1", undefined) : Promise<string>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >undefined : undefined
@@ -606,9 +606,9 @@ const p50 = p.then(() => "1", undefined);
 const p51 = p.then(() => "1", null);
 >p51 : Promise<string>
 >p.then(() => "1", null) : Promise<string>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >null : null
@@ -616,9 +616,9 @@ const p51 = p.then(() => "1", null);
 const p52 = p.then(() => "1", () => 1);
 >p52 : Promise<string | number>
 >p.then(() => "1", () => 1) : Promise<string | number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >() => 1 : () => number
@@ -627,9 +627,9 @@ const p52 = p.then(() => "1", () => 1);
 const p53 = p.then(() => "1", () => x);
 >p53 : Promise<any>
 >p.then(() => "1", () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >() => x : () => any
@@ -638,9 +638,9 @@ const p53 = p.then(() => "1", () => x);
 const p54 = p.then(() => "1", () => undefined);
 >p54 : Promise<any>
 >p.then(() => "1", () => undefined) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >() => undefined : () => any
@@ -649,9 +649,9 @@ const p54 = p.then(() => "1", () => undefined);
 const p55 = p.then(() => "1", () => null);
 >p55 : Promise<any>
 >p.then(() => "1", () => null) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >() => null : () => any
@@ -660,9 +660,9 @@ const p55 = p.then(() => "1", () => null);
 const p56 = p.then(() => "1", () => {});
 >p56 : Promise<string | void>
 >p.then(() => "1", () => {}) : Promise<string | void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >() => {} : () => void
@@ -670,9 +670,9 @@ const p56 = p.then(() => "1", () => {});
 const p57 = p.then(() => "1", () => {throw 1});
 >p57 : Promise<string>
 >p.then(() => "1", () => {throw 1}) : Promise<string>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >() => {throw 1} : () => never
@@ -681,24 +681,24 @@ const p57 = p.then(() => "1", () => {throw 1});
 const p58 = p.then(() => "1", () => Promise.resolve(1));
 >p58 : Promise<string | number>
 >p.then(() => "1", () => Promise.resolve(1)) : Promise<string | number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p59 = p.then(() => "1", () => Promise.reject(1));
 >p59 : Promise<string>
 >p.then(() => "1", () => Promise.reject(1)) : Promise<string>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >() => Promise.reject(1) : () => Promise<never>
@@ -711,9 +711,9 @@ const p59 = p.then(() => "1", () => Promise.reject(1));
 const p60 = p.then(() => x, undefined);
 >p60 : Promise<any>
 >p.then(() => x, undefined) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >undefined : undefined
@@ -721,9 +721,9 @@ const p60 = p.then(() => x, undefined);
 const p61 = p.then(() => x, null);
 >p61 : Promise<any>
 >p.then(() => x, null) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >null : null
@@ -731,9 +731,9 @@ const p61 = p.then(() => x, null);
 const p62 = p.then(() => x, () => 1);
 >p62 : Promise<any>
 >p.then(() => x, () => 1) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >() => 1 : () => number
@@ -742,9 +742,9 @@ const p62 = p.then(() => x, () => 1);
 const p63 = p.then(() => x, () => x);
 >p63 : Promise<any>
 >p.then(() => x, () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >() => x : () => any
@@ -753,9 +753,9 @@ const p63 = p.then(() => x, () => x);
 const p64 = p.then(() => x, () => undefined);
 >p64 : Promise<any>
 >p.then(() => x, () => undefined) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >() => undefined : () => any
@@ -764,9 +764,9 @@ const p64 = p.then(() => x, () => undefined);
 const p65 = p.then(() => x, () => null);
 >p65 : Promise<any>
 >p.then(() => x, () => null) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >() => null : () => any
@@ -775,9 +775,9 @@ const p65 = p.then(() => x, () => null);
 const p66 = p.then(() => x, () => {});
 >p66 : Promise<any>
 >p.then(() => x, () => {}) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >() => {} : () => void
@@ -785,9 +785,9 @@ const p66 = p.then(() => x, () => {});
 const p67 = p.then(() => x, () => {throw 1});
 >p67 : Promise<any>
 >p.then(() => x, () => {throw 1}) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >() => {throw 1} : () => never
@@ -796,24 +796,24 @@ const p67 = p.then(() => x, () => {throw 1});
 const p68 = p.then(() => x, () => Promise.resolve(1));
 >p68 : Promise<any>
 >p.then(() => x, () => Promise.resolve(1)) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p69 = p.then(() => x, () => Promise.reject(1));
 >p69 : Promise<any>
 >p.then(() => x, () => Promise.reject(1)) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >() => Promise.reject(1) : () => Promise<never>
@@ -826,9 +826,9 @@ const p69 = p.then(() => x, () => Promise.reject(1));
 const p70 = p.then(() => undefined, undefined);
 >p70 : Promise<any>
 >p.then(() => undefined, undefined) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => any
 >undefined : undefined
 >undefined : undefined
@@ -836,9 +836,9 @@ const p70 = p.then(() => undefined, undefined);
 const p71 = p.then(() => undefined, null);
 >p71 : Promise<any>
 >p.then(() => undefined, null) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => any
 >undefined : undefined
 >null : null
@@ -846,9 +846,9 @@ const p71 = p.then(() => undefined, null);
 const p72 = p.then(() => undefined, () => 1);
 >p72 : Promise<any>
 >p.then(() => undefined, () => 1) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => any
 >undefined : undefined
 >() => 1 : () => number
@@ -857,9 +857,9 @@ const p72 = p.then(() => undefined, () => 1);
 const p73 = p.then(() => undefined, () => x);
 >p73 : Promise<any>
 >p.then(() => undefined, () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => any
 >undefined : undefined
 >() => x : () => any
@@ -868,9 +868,9 @@ const p73 = p.then(() => undefined, () => x);
 const p74 = p.then(() => undefined, () => undefined);
 >p74 : Promise<any>
 >p.then(() => undefined, () => undefined) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => any
 >undefined : undefined
 >() => undefined : () => any
@@ -879,9 +879,9 @@ const p74 = p.then(() => undefined, () => undefined);
 const p75 = p.then(() => undefined, () => null);
 >p75 : Promise<any>
 >p.then(() => undefined, () => null) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => any
 >undefined : undefined
 >() => null : () => any
@@ -890,9 +890,9 @@ const p75 = p.then(() => undefined, () => null);
 const p76 = p.then(() => undefined, () => {});
 >p76 : Promise<any>
 >p.then(() => undefined, () => {}) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => any
 >undefined : undefined
 >() => {} : () => void
@@ -900,9 +900,9 @@ const p76 = p.then(() => undefined, () => {});
 const p77 = p.then(() => undefined, () => {throw 1});
 >p77 : Promise<any>
 >p.then(() => undefined, () => {throw 1}) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => any
 >undefined : undefined
 >() => {throw 1} : () => never
@@ -911,24 +911,24 @@ const p77 = p.then(() => undefined, () => {throw 1});
 const p78 = p.then(() => undefined, () => Promise.resolve(1));
 >p78 : Promise<any>
 >p.then(() => undefined, () => Promise.resolve(1)) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => any
 >undefined : undefined
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p79 = p.then(() => undefined, () => Promise.reject(1));
 >p79 : Promise<any>
 >p.then(() => undefined, () => Promise.reject(1)) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => any
 >undefined : undefined
 >() => Promise.reject(1) : () => Promise<never>
@@ -941,9 +941,9 @@ const p79 = p.then(() => undefined, () => Promise.reject(1));
 const p80 = p.then(() => null, undefined);
 >p80 : Promise<any>
 >p.then(() => null, undefined) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => any
 >null : null
 >undefined : undefined
@@ -951,9 +951,9 @@ const p80 = p.then(() => null, undefined);
 const p81 = p.then(() => null, null);
 >p81 : Promise<any>
 >p.then(() => null, null) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => any
 >null : null
 >null : null
@@ -961,9 +961,9 @@ const p81 = p.then(() => null, null);
 const p82 = p.then(() => null, () => 1);
 >p82 : Promise<any>
 >p.then(() => null, () => 1) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => any
 >null : null
 >() => 1 : () => number
@@ -972,9 +972,9 @@ const p82 = p.then(() => null, () => 1);
 const p83 = p.then(() => null, () => x);
 >p83 : Promise<any>
 >p.then(() => null, () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => any
 >null : null
 >() => x : () => any
@@ -983,9 +983,9 @@ const p83 = p.then(() => null, () => x);
 const p84 = p.then(() => null, () => undefined);
 >p84 : Promise<any>
 >p.then(() => null, () => undefined) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => any
 >null : null
 >() => undefined : () => any
@@ -994,9 +994,9 @@ const p84 = p.then(() => null, () => undefined);
 const p85 = p.then(() => null, () => null);
 >p85 : Promise<any>
 >p.then(() => null, () => null) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => any
 >null : null
 >() => null : () => any
@@ -1005,9 +1005,9 @@ const p85 = p.then(() => null, () => null);
 const p86 = p.then(() => null, () => {});
 >p86 : Promise<any>
 >p.then(() => null, () => {}) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => any
 >null : null
 >() => {} : () => void
@@ -1015,9 +1015,9 @@ const p86 = p.then(() => null, () => {});
 const p87 = p.then(() => null, () => {throw 1});
 >p87 : Promise<any>
 >p.then(() => null, () => {throw 1}) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => any
 >null : null
 >() => {throw 1} : () => never
@@ -1026,24 +1026,24 @@ const p87 = p.then(() => null, () => {throw 1});
 const p88 = p.then(() => null, () => Promise.resolve(1));
 >p88 : Promise<any>
 >p.then(() => null, () => Promise.resolve(1)) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => any
 >null : null
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p89 = p.then(() => null, () => Promise.reject(1));
 >p89 : Promise<any>
 >p.then(() => null, () => Promise.reject(1)) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => any
 >null : null
 >() => Promise.reject(1) : () => Promise<never>
@@ -1056,27 +1056,27 @@ const p89 = p.then(() => null, () => Promise.reject(1));
 const p90 = p.then(() => {}, undefined);
 >p90 : Promise<void>
 >p.then(() => {}, undefined) : Promise<void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >undefined : undefined
 
 const p91 = p.then(() => {}, null);
 >p91 : Promise<void>
 >p.then(() => {}, null) : Promise<void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >null : null
 
 const p92 = p.then(() => {}, () => 1);
 >p92 : Promise<number | void>
 >p.then(() => {}, () => 1) : Promise<number | void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >() => 1 : () => number
 >1 : 1
@@ -1084,9 +1084,9 @@ const p92 = p.then(() => {}, () => 1);
 const p93 = p.then(() => {}, () => x);
 >p93 : Promise<any>
 >p.then(() => {}, () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >() => x : () => any
 >x : any
@@ -1094,9 +1094,9 @@ const p93 = p.then(() => {}, () => x);
 const p94 = p.then(() => {}, () => undefined);
 >p94 : Promise<any>
 >p.then(() => {}, () => undefined) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >() => undefined : () => any
 >undefined : undefined
@@ -1104,9 +1104,9 @@ const p94 = p.then(() => {}, () => undefined);
 const p95 = p.then(() => {}, () => null);
 >p95 : Promise<any>
 >p.then(() => {}, () => null) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >() => null : () => any
 >null : null
@@ -1114,18 +1114,18 @@ const p95 = p.then(() => {}, () => null);
 const p96 = p.then(() => {}, () => {});
 >p96 : Promise<void>
 >p.then(() => {}, () => {}) : Promise<void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >() => {} : () => void
 
 const p97 = p.then(() => {}, () => {throw 1});
 >p97 : Promise<void>
 >p.then(() => {}, () => {throw 1}) : Promise<void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >() => {throw 1} : () => never
 >1 : 1
@@ -1133,23 +1133,23 @@ const p97 = p.then(() => {}, () => {throw 1});
 const p98 = p.then(() => {}, () => Promise.resolve(1));
 >p98 : Promise<number | void>
 >p.then(() => {}, () => Promise.resolve(1)) : Promise<number | void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p99 = p.then(() => {}, () => Promise.reject(1));
 >p99 : Promise<void>
 >p.then(() => {}, () => Promise.reject(1)) : Promise<void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >() => Promise.reject(1) : () => Promise<never>
 >Promise.reject(1) : Promise<never>
@@ -1161,9 +1161,9 @@ const p99 = p.then(() => {}, () => Promise.reject(1));
 const pa0 = p.then(() => {throw 1}, undefined);
 >pa0 : Promise<never>
 >p.then(() => {throw 1}, undefined) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >undefined : undefined
@@ -1171,9 +1171,9 @@ const pa0 = p.then(() => {throw 1}, undefined);
 const pa1 = p.then(() => {throw 1}, null);
 >pa1 : Promise<never>
 >p.then(() => {throw 1}, null) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >null : null
@@ -1181,9 +1181,9 @@ const pa1 = p.then(() => {throw 1}, null);
 const pa2 = p.then(() => {throw 1}, () => 1);
 >pa2 : Promise<number>
 >p.then(() => {throw 1}, () => 1) : Promise<number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >() => 1 : () => number
@@ -1192,9 +1192,9 @@ const pa2 = p.then(() => {throw 1}, () => 1);
 const pa3 = p.then(() => {throw 1}, () => x);
 >pa3 : Promise<any>
 >p.then(() => {throw 1}, () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >() => x : () => any
@@ -1203,9 +1203,9 @@ const pa3 = p.then(() => {throw 1}, () => x);
 const pa4 = p.then(() => {throw 1}, () => undefined);
 >pa4 : Promise<any>
 >p.then(() => {throw 1}, () => undefined) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >() => undefined : () => any
@@ -1214,9 +1214,9 @@ const pa4 = p.then(() => {throw 1}, () => undefined);
 const pa5 = p.then(() => {throw 1}, () => null);
 >pa5 : Promise<any>
 >p.then(() => {throw 1}, () => null) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >() => null : () => any
@@ -1225,9 +1225,9 @@ const pa5 = p.then(() => {throw 1}, () => null);
 const pa6 = p.then(() => {throw 1}, () => {});
 >pa6 : Promise<void>
 >p.then(() => {throw 1}, () => {}) : Promise<void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >() => {} : () => void
@@ -1235,9 +1235,9 @@ const pa6 = p.then(() => {throw 1}, () => {});
 const pa7 = p.then(() => {throw 1}, () => {throw 1});
 >pa7 : Promise<never>
 >p.then(() => {throw 1}, () => {throw 1}) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >() => {throw 1} : () => never
@@ -1246,24 +1246,24 @@ const pa7 = p.then(() => {throw 1}, () => {throw 1});
 const pa8 = p.then(() => {throw 1}, () => Promise.resolve(1));
 >pa8 : Promise<number>
 >p.then(() => {throw 1}, () => Promise.resolve(1)) : Promise<number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const pa9 = p.then(() => {throw 1}, () => Promise.reject(1));
 >pa9 : Promise<never>
 >p.then(() => {throw 1}, () => Promise.reject(1)) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >() => Promise.reject(1) : () => Promise<never>
@@ -1276,42 +1276,42 @@ const pa9 = p.then(() => {throw 1}, () => Promise.reject(1));
 const pb0 = p.then(() => Promise.resolve("1"), undefined);
 >pb0 : Promise<string>
 >p.then(() => Promise.resolve("1"), undefined) : Promise<string>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >undefined : undefined
 
 const pb1 = p.then(() => Promise.resolve("1"), null);
 >pb1 : Promise<string>
 >p.then(() => Promise.resolve("1"), null) : Promise<string>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >null : null
 
 const pb2 = p.then(() => Promise.resolve("1"), () => 1);
 >pb2 : Promise<string | number>
 >p.then(() => Promise.resolve("1"), () => 1) : Promise<string | number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => 1 : () => number
 >1 : 1
@@ -1319,14 +1319,14 @@ const pb2 = p.then(() => Promise.resolve("1"), () => 1);
 const pb3 = p.then(() => Promise.resolve("1"), () => x);
 >pb3 : Promise<any>
 >p.then(() => Promise.resolve("1"), () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => x : () => any
 >x : any
@@ -1334,14 +1334,14 @@ const pb3 = p.then(() => Promise.resolve("1"), () => x);
 const pb4 = p.then(() => Promise.resolve("1"), () => undefined);
 >pb4 : Promise<any>
 >p.then(() => Promise.resolve("1"), () => undefined) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => undefined : () => any
 >undefined : undefined
@@ -1349,14 +1349,14 @@ const pb4 = p.then(() => Promise.resolve("1"), () => undefined);
 const pb5 = p.then(() => Promise.resolve("1"), () => null);
 >pb5 : Promise<any>
 >p.then(() => Promise.resolve("1"), () => null) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => null : () => any
 >null : null
@@ -1364,28 +1364,28 @@ const pb5 = p.then(() => Promise.resolve("1"), () => null);
 const pb6 = p.then(() => Promise.resolve("1"), () => {});
 >pb6 : Promise<string | void>
 >p.then(() => Promise.resolve("1"), () => {}) : Promise<string | void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => {} : () => void
 
 const pb7 = p.then(() => Promise.resolve("1"), () => {throw 1});
 >pb7 : Promise<string>
 >p.then(() => Promise.resolve("1"), () => {throw 1}) : Promise<string>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => {throw 1} : () => never
 >1 : 1
@@ -1393,33 +1393,33 @@ const pb7 = p.then(() => Promise.resolve("1"), () => {throw 1});
 const pb8 = p.then(() => Promise.resolve("1"), () => Promise.resolve(1));
 >pb8 : Promise<string | number>
 >p.then(() => Promise.resolve("1"), () => Promise.resolve(1)) : Promise<string | number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const pb9 = p.then(() => Promise.resolve("1"), () => Promise.reject(1));
 >pb9 : Promise<string>
 >p.then(() => Promise.resolve("1"), () => Promise.reject(1)) : Promise<string>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => Promise.reject(1) : () => Promise<never>
 >Promise.reject(1) : Promise<never>
@@ -1431,9 +1431,9 @@ const pb9 = p.then(() => Promise.resolve("1"), () => Promise.reject(1));
 const pc0 = p.then(() => Promise.reject("1"), undefined);
 >pc0 : Promise<never>
 >p.then(() => Promise.reject("1"), undefined) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1445,9 +1445,9 @@ const pc0 = p.then(() => Promise.reject("1"), undefined);
 const pc1 = p.then(() => Promise.reject("1"), null);
 >pc1 : Promise<never>
 >p.then(() => Promise.reject("1"), null) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1459,9 +1459,9 @@ const pc1 = p.then(() => Promise.reject("1"), null);
 const pc2 = p.then(() => Promise.reject("1"), () => 1);
 >pc2 : Promise<number>
 >p.then(() => Promise.reject("1"), () => 1) : Promise<number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1474,9 +1474,9 @@ const pc2 = p.then(() => Promise.reject("1"), () => 1);
 const pc3 = p.then(() => Promise.reject("1"), () => x);
 >pc3 : Promise<any>
 >p.then(() => Promise.reject("1"), () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1489,9 +1489,9 @@ const pc3 = p.then(() => Promise.reject("1"), () => x);
 const pc4 = p.then(() => Promise.reject("1"), () => undefined);
 >pc4 : Promise<any>
 >p.then(() => Promise.reject("1"), () => undefined) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1504,9 +1504,9 @@ const pc4 = p.then(() => Promise.reject("1"), () => undefined);
 const pc5 = p.then(() => Promise.reject("1"), () => null);
 >pc5 : Promise<any>
 >p.then(() => Promise.reject("1"), () => null) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1519,9 +1519,9 @@ const pc5 = p.then(() => Promise.reject("1"), () => null);
 const pc6 = p.then(() => Promise.reject("1"), () => {});
 >pc6 : Promise<void>
 >p.then(() => Promise.reject("1"), () => {}) : Promise<void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1533,9 +1533,9 @@ const pc6 = p.then(() => Promise.reject("1"), () => {});
 const pc7 = p.then(() => Promise.reject("1"), () => {throw 1});
 >pc7 : Promise<never>
 >p.then(() => Promise.reject("1"), () => {throw 1}) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1548,9 +1548,9 @@ const pc7 = p.then(() => Promise.reject("1"), () => {throw 1});
 const pc8 = p.then(() => Promise.reject("1"), () => Promise.resolve(1));
 >pc8 : Promise<number>
 >p.then(() => Promise.reject("1"), () => Promise.resolve(1)) : Promise<number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1559,17 +1559,17 @@ const pc8 = p.then(() => Promise.reject("1"), () => Promise.resolve(1));
 >"1" : "1"
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
 >pc9 : Promise<never>
 >p.then(() => Promise.reject("1"), () => Promise.reject(1)) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1583,3 +1583,39 @@ const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
 >reject : <T = never>(reason?: any) => Promise<T>
 >1 : 1
 
+const expected: undefined = undefined as Awaited<undefined>;
+>expected : undefined
+>undefined as Awaited<undefined> : undefined
+>undefined : undefined
+
+// #28427
+
+Promise.all([undefined as Promise<number> | string]);
+>Promise.all([undefined as Promise<number> | string]) : Promise<(string | number)[]>
+>Promise.all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
+>Promise : PromiseConstructor
+>all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
+>[undefined as Promise<number> | string] : (string | Promise<number>)[]
+>undefined as Promise<number> | string : string | Promise<number>
+>undefined : undefined
+
+Promise.resolve(undefined as Promise<number> | string);
+>Promise.resolve(undefined as Promise<number> | string) : Promise<string | number>
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
+>Promise : PromiseConstructor
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
+>undefined as Promise<number> | string : string | Promise<number>
+>undefined : undefined
+
+// #30390
+
+(undefined as Promise<any>).then(undefined as () => Promise<number> | string);
+>(undefined as Promise<any>).then(undefined as () => Promise<number> | string) : Promise<string | number>
+>(undefined as Promise<any>).then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
+>(undefined as Promise<any>) : Promise<any>
+>undefined as Promise<any> : Promise<any>
+>undefined : undefined
+>then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
+>undefined as () => Promise<number> | string : () => string | Promise<number>
+>undefined : undefined
+
diff --git a/tests/baselines/reference/promiseTypeInference.errors.txt b/tests/baselines/reference/promiseTypeInference.errors.txt
deleted file mode 100644
index ada81bfb4962b..0000000000000
--- a/tests/baselines/reference/promiseTypeInference.errors.txt
+++ /dev/null
@@ -1,38 +0,0 @@
-tests/cases/compiler/promiseTypeInference.ts(10,39): error TS2769: No overload matches this call.
-  Overload 1 of 2, '(success?: (value: string) => Promise<unknown>): Promise<unknown>', gave the following error.
-    Property 'catch' is missing in type 'IPromise<number>' but required in type 'Promise<unknown>'.
-  Overload 2 of 2, '(onfulfilled?: (value: string) => number | PromiseLike<number>, onrejected?: (reason: any) => PromiseLike<never>): Promise<number>', gave the following error.
-    Type 'IPromise<number>' is not assignable to type 'number | PromiseLike<number>'.
-      Type 'IPromise<number>' is not assignable to type 'PromiseLike<number>'.
-        Types of property 'then' are incompatible.
-          Types of parameters 'success' and 'onfulfilled' are incompatible.
-            Type 'TResult1 | PromiseLike<TResult1>' is not assignable to type 'IPromise<TResult1 | TResult2>'.
-              Type 'TResult1' is not assignable to type 'IPromise<TResult1 | TResult2>'.
-
-
-==== tests/cases/compiler/promiseTypeInference.ts (1 errors) ====
-    declare class Promise<T> {
-        then<U>(success?: (value: T) => Promise<U>): Promise<U>;
-    }
-    interface IPromise<T> {
-        then<U>(success?: (value: T) => IPromise<U>): IPromise<U>;
-    }
-    declare function load(name: string): Promise<string>;
-    declare function convert(s: string): IPromise<number>;
-    
-    var $$x = load("something").then(s => convert(s));
-                                          ~~~~~~~~~~
-!!! error TS2769: No overload matches this call.
-!!! error TS2769:   Overload 1 of 2, '(success?: (value: string) => Promise<unknown>): Promise<unknown>', gave the following error.
-!!! error TS2769:     Property 'catch' is missing in type 'IPromise<number>' but required in type 'Promise<unknown>'.
-!!! error TS2769:   Overload 2 of 2, '(onfulfilled?: (value: string) => number | PromiseLike<number>, onrejected?: (reason: any) => PromiseLike<never>): Promise<number>', gave the following error.
-!!! error TS2769:     Type 'IPromise<number>' is not assignable to type 'number | PromiseLike<number>'.
-!!! error TS2769:       Type 'IPromise<number>' is not assignable to type 'PromiseLike<number>'.
-!!! error TS2769:         Types of property 'then' are incompatible.
-!!! error TS2769:           Types of parameters 'success' and 'onfulfilled' are incompatible.
-!!! error TS2769:             Type 'TResult1 | PromiseLike<TResult1>' is not assignable to type 'IPromise<TResult1 | TResult2>'.
-!!! error TS2769:               Type 'TResult1' is not assignable to type 'IPromise<TResult1 | TResult2>'.
-!!! related TS2728 /.ts/lib.es5.d.ts:1430:5: 'catch' is declared here.
-!!! related TS6502 tests/cases/compiler/promiseTypeInference.ts:2:23: The expected type comes from the return type of this signature.
-!!! related TS6502 /.ts/lib.es5.d.ts:1423:57: The expected type comes from the return type of this signature.
-    
\ No newline at end of file
diff --git a/tests/baselines/reference/promiseTypeInference.types b/tests/baselines/reference/promiseTypeInference.types
index 36b3bdadd28ce..f2c8afae210ee 100644
--- a/tests/baselines/reference/promiseTypeInference.types
+++ b/tests/baselines/reference/promiseTypeInference.types
@@ -3,7 +3,7 @@ declare class Promise<T> {
 >Promise : Promise<T>
 
     then<U>(success?: (value: T) => Promise<U>): Promise<U>;
->then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: T) => Promise<U>): Promise<U>; }
+>then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: T) => Promise<U>): Promise<U>; }
 >success : (value: T) => Promise<U>
 >value : T
 }
@@ -22,13 +22,13 @@ declare function convert(s: string): IPromise<number>;
 >s : string
 
 var $$x = load("something").then(s => convert(s));
->$$x : any
->load("something").then(s => convert(s)) : any
->load("something").then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>): Promise<U>; }
+>$$x : Promise<IPromise<number>>
+>load("something").then(s => convert(s)) : Promise<IPromise<number>>
+>load("something").then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>): Promise<U>; }
 >load("something") : Promise<string>
 >load : (name: string) => Promise<string>
 >"something" : "something"
->then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: string) => Promise<U>): Promise<U>; }
+>then : { <TResult1 = string, TResult2 = never>(onfulfilled?: (value: string) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: string) => Promise<U>): Promise<U>; }
 >s => convert(s) : (s: string) => IPromise<number>
 >s : string
 >convert(s) : IPromise<number>
diff --git a/tests/baselines/reference/promiseTypeStrictNull.types b/tests/baselines/reference/promiseTypeStrictNull.types
index 73d2f70346135..86c1d1df8ff26 100644
--- a/tests/baselines/reference/promiseTypeStrictNull.types
+++ b/tests/baselines/reference/promiseTypeStrictNull.types
@@ -182,92 +182,92 @@ async function I() {
 const p00 = p.catch();
 >p00 : Promise<boolean>
 >p.catch() : Promise<boolean>
->p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 
 const p01 = p.then();
 >p01 : Promise<boolean>
 >p.then() : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 
 const p10 = p.catch(undefined);
 >p10 : Promise<boolean>
 >p.catch(undefined) : Promise<boolean>
->p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >undefined : undefined
 
 const p11 = p.catch(null);
 >p11 : Promise<boolean>
 >p.catch(null) : Promise<boolean>
->p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >null : null
 
 const p12 = p.catch(() => 1);
 >p12 : Promise<number | boolean>
 >p.catch(() => 1) : Promise<number | boolean>
->p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >() => 1 : () => number
 >1 : 1
 
 const p13 = p.catch(() => x);
 >p13 : Promise<any>
 >p.catch(() => x) : Promise<any>
->p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >() => x : () => any
 >x : any
 
 const p14 = p.catch(() => undefined);
 >p14 : Promise<boolean | undefined>
 >p.catch(() => undefined) : Promise<boolean | undefined>
->p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >() => undefined : () => undefined
 >undefined : undefined
 
 const p15 = p.catch(() => null);
 >p15 : Promise<boolean | null>
 >p.catch(() => null) : Promise<boolean | null>
->p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >() => null : () => null
 >null : null
 
 const p16 = p.catch(() => {});
 >p16 : Promise<boolean | void>
 >p.catch(() => {}) : Promise<boolean | void>
->p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >() => {} : () => void
 
 const p17 = p.catch(() => {throw 1});
 >p17 : Promise<boolean>
 >p.catch(() => {throw 1}) : Promise<boolean>
->p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >() => {throw 1} : () => never
 >1 : 1
 
 const p18 = p.catch(() => Promise.reject(1));
 >p18 : Promise<boolean>
 >p.catch(() => Promise.reject(1)) : Promise<boolean>
->p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >() => Promise.reject(1) : () => Promise<never>
 >Promise.reject(1) : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -278,104 +278,104 @@ const p18 = p.catch(() => Promise.reject(1));
 const p19 = p.catch(() => Promise.resolve(1));
 >p19 : Promise<number | boolean>
 >p.catch(() => Promise.resolve(1)) : Promise<number | boolean>
->p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>p.catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >p : Promise<boolean>
->catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
+>catch : <TResult = never>(onrejected?: ((reason: any) => TResult) | null | undefined) => Promise<boolean | Awaited<TResult>>
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p20 = p.then(undefined);
 >p20 : Promise<boolean>
 >p.then(undefined) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 
 const p21 = p.then(null);
 >p21 : Promise<boolean>
 >p.then(null) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 
 const p22 = p.then(() => 1);
 >p22 : Promise<number>
 >p.then(() => 1) : Promise<number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => 1 : () => number
 >1 : 1
 
 const p23 = p.then(() => x);
 >p23 : Promise<any>
 >p.then(() => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 
 const p24 = p.then(() => undefined);
 >p24 : Promise<undefined>
 >p.then(() => undefined) : Promise<undefined>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => undefined
 >undefined : undefined
 
 const p25 = p.then(() => null);
 >p25 : Promise<null>
 >p.then(() => null) : Promise<null>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => null
 >null : null
 
 const p26 = p.then(() => {});
 >p26 : Promise<void>
 >p.then(() => {}) : Promise<void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 
 const p27 = p.then(() => {throw 1});
 >p27 : Promise<never>
 >p.then(() => {throw 1}) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 
 const p28 = p.then(() => Promise.resolve(1));
 >p28 : Promise<number>
 >p.then(() => Promise.resolve(1)) : Promise<number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p29 = p.then(() => Promise.reject(1));
 >p29 : Promise<never>
 >p.then(() => Promise.reject(1)) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject(1) : () => Promise<never>
 >Promise.reject(1) : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -386,27 +386,27 @@ const p29 = p.then(() => Promise.reject(1));
 const p30 = p.then(undefined, undefined);
 >p30 : Promise<boolean>
 >p.then(undefined, undefined) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >undefined : undefined
 
 const p31 = p.then(undefined, null);
 >p31 : Promise<boolean>
 >p.then(undefined, null) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >null : null
 
 const p32 = p.then(undefined, () => 1);
 >p32 : Promise<number | boolean>
 >p.then(undefined, () => 1) : Promise<number | boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >() => 1 : () => number
 >1 : 1
@@ -414,9 +414,9 @@ const p32 = p.then(undefined, () => 1);
 const p33 = p.then(undefined, () => x);
 >p33 : Promise<any>
 >p.then(undefined, () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >() => x : () => any
 >x : any
@@ -424,9 +424,9 @@ const p33 = p.then(undefined, () => x);
 const p34 = p.then(undefined, () => undefined);
 >p34 : Promise<boolean | undefined>
 >p.then(undefined, () => undefined) : Promise<boolean | undefined>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >() => undefined : () => undefined
 >undefined : undefined
@@ -434,9 +434,9 @@ const p34 = p.then(undefined, () => undefined);
 const p35 = p.then(undefined, () => null);
 >p35 : Promise<boolean | null>
 >p.then(undefined, () => null) : Promise<boolean | null>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >() => null : () => null
 >null : null
@@ -444,18 +444,18 @@ const p35 = p.then(undefined, () => null);
 const p36 = p.then(undefined, () => {});
 >p36 : Promise<boolean | void>
 >p.then(undefined, () => {}) : Promise<boolean | void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >() => {} : () => void
 
 const p37 = p.then(undefined, () => {throw 1});
 >p37 : Promise<boolean>
 >p.then(undefined, () => {throw 1}) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >() => {throw 1} : () => never
 >1 : 1
@@ -463,23 +463,23 @@ const p37 = p.then(undefined, () => {throw 1});
 const p38 = p.then(undefined, () => Promise.resolve(1));
 >p38 : Promise<number | boolean>
 >p.then(undefined, () => Promise.resolve(1)) : Promise<number | boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p39 = p.then(undefined, () => Promise.reject(1));
 >p39 : Promise<boolean>
 >p.then(undefined, () => Promise.reject(1)) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >undefined : undefined
 >() => Promise.reject(1) : () => Promise<never>
 >Promise.reject(1) : Promise<never>
@@ -491,27 +491,27 @@ const p39 = p.then(undefined, () => Promise.reject(1));
 const p40 = p.then(null, undefined);
 >p40 : Promise<boolean>
 >p.then(null, undefined) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >undefined : undefined
 
 const p41 = p.then(null, null);
 >p41 : Promise<boolean>
 >p.then(null, null) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >null : null
 
 const p42 = p.then(null, () => 1);
 >p42 : Promise<number | boolean>
 >p.then(null, () => 1) : Promise<number | boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >() => 1 : () => number
 >1 : 1
@@ -519,9 +519,9 @@ const p42 = p.then(null, () => 1);
 const p43 = p.then(null, () => x);
 >p43 : Promise<any>
 >p.then(null, () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >() => x : () => any
 >x : any
@@ -529,9 +529,9 @@ const p43 = p.then(null, () => x);
 const p44 = p.then(null, () => undefined);
 >p44 : Promise<boolean | undefined>
 >p.then(null, () => undefined) : Promise<boolean | undefined>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >() => undefined : () => undefined
 >undefined : undefined
@@ -539,9 +539,9 @@ const p44 = p.then(null, () => undefined);
 const p45 = p.then(null, () => null);
 >p45 : Promise<boolean | null>
 >p.then(null, () => null) : Promise<boolean | null>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >() => null : () => null
 >null : null
@@ -549,18 +549,18 @@ const p45 = p.then(null, () => null);
 const p46 = p.then(null, () => {});
 >p46 : Promise<boolean | void>
 >p.then(null, () => {}) : Promise<boolean | void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >() => {} : () => void
 
 const p47 = p.then(null, () => {throw 1});
 >p47 : Promise<boolean>
 >p.then(null, () => {throw 1}) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >() => {throw 1} : () => never
 >1 : 1
@@ -568,23 +568,23 @@ const p47 = p.then(null, () => {throw 1});
 const p48 = p.then(null, () => Promise.resolve(1));
 >p48 : Promise<number | boolean>
 >p.then(null, () => Promise.resolve(1)) : Promise<number | boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p49 = p.then(null, () => Promise.reject(1));
 >p49 : Promise<boolean>
 >p.then(null, () => Promise.reject(1)) : Promise<boolean>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >null : null
 >() => Promise.reject(1) : () => Promise<never>
 >Promise.reject(1) : Promise<never>
@@ -596,9 +596,9 @@ const p49 = p.then(null, () => Promise.reject(1));
 const p50 = p.then(() => "1", undefined);
 >p50 : Promise<string>
 >p.then(() => "1", undefined) : Promise<string>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >undefined : undefined
@@ -606,9 +606,9 @@ const p50 = p.then(() => "1", undefined);
 const p51 = p.then(() => "1", null);
 >p51 : Promise<string>
 >p.then(() => "1", null) : Promise<string>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >null : null
@@ -616,9 +616,9 @@ const p51 = p.then(() => "1", null);
 const p52 = p.then(() => "1", () => 1);
 >p52 : Promise<string | number>
 >p.then(() => "1", () => 1) : Promise<string | number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >() => 1 : () => number
@@ -627,9 +627,9 @@ const p52 = p.then(() => "1", () => 1);
 const p53 = p.then(() => "1", () => x);
 >p53 : Promise<any>
 >p.then(() => "1", () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >() => x : () => any
@@ -638,9 +638,9 @@ const p53 = p.then(() => "1", () => x);
 const p54 = p.then(() => "1", () => undefined);
 >p54 : Promise<string | undefined>
 >p.then(() => "1", () => undefined) : Promise<string | undefined>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >() => undefined : () => undefined
@@ -649,9 +649,9 @@ const p54 = p.then(() => "1", () => undefined);
 const p55 = p.then(() => "1", () => null);
 >p55 : Promise<string | null>
 >p.then(() => "1", () => null) : Promise<string | null>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >() => null : () => null
@@ -660,9 +660,9 @@ const p55 = p.then(() => "1", () => null);
 const p56 = p.then(() => "1", () => {});
 >p56 : Promise<string | void>
 >p.then(() => "1", () => {}) : Promise<string | void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >() => {} : () => void
@@ -670,9 +670,9 @@ const p56 = p.then(() => "1", () => {});
 const p57 = p.then(() => "1", () => {throw 1});
 >p57 : Promise<string>
 >p.then(() => "1", () => {throw 1}) : Promise<string>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >() => {throw 1} : () => never
@@ -681,24 +681,24 @@ const p57 = p.then(() => "1", () => {throw 1});
 const p58 = p.then(() => "1", () => Promise.resolve(1));
 >p58 : Promise<string | number>
 >p.then(() => "1", () => Promise.resolve(1)) : Promise<string | number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p59 = p.then(() => "1", () => Promise.reject(1));
 >p59 : Promise<string>
 >p.then(() => "1", () => Promise.reject(1)) : Promise<string>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => "1" : () => string
 >"1" : "1"
 >() => Promise.reject(1) : () => Promise<never>
@@ -711,9 +711,9 @@ const p59 = p.then(() => "1", () => Promise.reject(1));
 const p60 = p.then(() => x, undefined);
 >p60 : Promise<any>
 >p.then(() => x, undefined) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >undefined : undefined
@@ -721,9 +721,9 @@ const p60 = p.then(() => x, undefined);
 const p61 = p.then(() => x, null);
 >p61 : Promise<any>
 >p.then(() => x, null) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >null : null
@@ -731,9 +731,9 @@ const p61 = p.then(() => x, null);
 const p62 = p.then(() => x, () => 1);
 >p62 : Promise<any>
 >p.then(() => x, () => 1) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >() => 1 : () => number
@@ -742,9 +742,9 @@ const p62 = p.then(() => x, () => 1);
 const p63 = p.then(() => x, () => x);
 >p63 : Promise<any>
 >p.then(() => x, () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >() => x : () => any
@@ -753,9 +753,9 @@ const p63 = p.then(() => x, () => x);
 const p64 = p.then(() => x, () => undefined);
 >p64 : Promise<any>
 >p.then(() => x, () => undefined) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >() => undefined : () => undefined
@@ -764,9 +764,9 @@ const p64 = p.then(() => x, () => undefined);
 const p65 = p.then(() => x, () => null);
 >p65 : Promise<any>
 >p.then(() => x, () => null) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >() => null : () => null
@@ -775,9 +775,9 @@ const p65 = p.then(() => x, () => null);
 const p66 = p.then(() => x, () => {});
 >p66 : Promise<any>
 >p.then(() => x, () => {}) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >() => {} : () => void
@@ -785,9 +785,9 @@ const p66 = p.then(() => x, () => {});
 const p67 = p.then(() => x, () => {throw 1});
 >p67 : Promise<any>
 >p.then(() => x, () => {throw 1}) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >() => {throw 1} : () => never
@@ -796,24 +796,24 @@ const p67 = p.then(() => x, () => {throw 1});
 const p68 = p.then(() => x, () => Promise.resolve(1));
 >p68 : Promise<any>
 >p.then(() => x, () => Promise.resolve(1)) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p69 = p.then(() => x, () => Promise.reject(1));
 >p69 : Promise<any>
 >p.then(() => x, () => Promise.reject(1)) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => x : () => any
 >x : any
 >() => Promise.reject(1) : () => Promise<never>
@@ -826,9 +826,9 @@ const p69 = p.then(() => x, () => Promise.reject(1));
 const p70 = p.then(() => undefined, undefined);
 >p70 : Promise<undefined>
 >p.then(() => undefined, undefined) : Promise<undefined>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => undefined
 >undefined : undefined
 >undefined : undefined
@@ -836,9 +836,9 @@ const p70 = p.then(() => undefined, undefined);
 const p71 = p.then(() => undefined, null);
 >p71 : Promise<undefined>
 >p.then(() => undefined, null) : Promise<undefined>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => undefined
 >undefined : undefined
 >null : null
@@ -846,9 +846,9 @@ const p71 = p.then(() => undefined, null);
 const p72 = p.then(() => undefined, () => 1);
 >p72 : Promise<number | undefined>
 >p.then(() => undefined, () => 1) : Promise<number | undefined>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => undefined
 >undefined : undefined
 >() => 1 : () => number
@@ -857,9 +857,9 @@ const p72 = p.then(() => undefined, () => 1);
 const p73 = p.then(() => undefined, () => x);
 >p73 : Promise<any>
 >p.then(() => undefined, () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => undefined
 >undefined : undefined
 >() => x : () => any
@@ -868,9 +868,9 @@ const p73 = p.then(() => undefined, () => x);
 const p74 = p.then(() => undefined, () => undefined);
 >p74 : Promise<undefined>
 >p.then(() => undefined, () => undefined) : Promise<undefined>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => undefined
 >undefined : undefined
 >() => undefined : () => undefined
@@ -879,9 +879,9 @@ const p74 = p.then(() => undefined, () => undefined);
 const p75 = p.then(() => undefined, () => null);
 >p75 : Promise<null | undefined>
 >p.then(() => undefined, () => null) : Promise<null | undefined>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => undefined
 >undefined : undefined
 >() => null : () => null
@@ -890,9 +890,9 @@ const p75 = p.then(() => undefined, () => null);
 const p76 = p.then(() => undefined, () => {});
 >p76 : Promise<void | undefined>
 >p.then(() => undefined, () => {}) : Promise<void | undefined>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => undefined
 >undefined : undefined
 >() => {} : () => void
@@ -900,9 +900,9 @@ const p76 = p.then(() => undefined, () => {});
 const p77 = p.then(() => undefined, () => {throw 1});
 >p77 : Promise<undefined>
 >p.then(() => undefined, () => {throw 1}) : Promise<undefined>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => undefined
 >undefined : undefined
 >() => {throw 1} : () => never
@@ -911,24 +911,24 @@ const p77 = p.then(() => undefined, () => {throw 1});
 const p78 = p.then(() => undefined, () => Promise.resolve(1));
 >p78 : Promise<number | undefined>
 >p.then(() => undefined, () => Promise.resolve(1)) : Promise<number | undefined>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => undefined
 >undefined : undefined
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p79 = p.then(() => undefined, () => Promise.reject(1));
 >p79 : Promise<undefined>
 >p.then(() => undefined, () => Promise.reject(1)) : Promise<undefined>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => undefined : () => undefined
 >undefined : undefined
 >() => Promise.reject(1) : () => Promise<never>
@@ -941,9 +941,9 @@ const p79 = p.then(() => undefined, () => Promise.reject(1));
 const p80 = p.then(() => null, undefined);
 >p80 : Promise<null>
 >p.then(() => null, undefined) : Promise<null>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => null
 >null : null
 >undefined : undefined
@@ -951,9 +951,9 @@ const p80 = p.then(() => null, undefined);
 const p81 = p.then(() => null, null);
 >p81 : Promise<null>
 >p.then(() => null, null) : Promise<null>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => null
 >null : null
 >null : null
@@ -961,9 +961,9 @@ const p81 = p.then(() => null, null);
 const p82 = p.then(() => null, () => 1);
 >p82 : Promise<number | null>
 >p.then(() => null, () => 1) : Promise<number | null>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => null
 >null : null
 >() => 1 : () => number
@@ -972,9 +972,9 @@ const p82 = p.then(() => null, () => 1);
 const p83 = p.then(() => null, () => x);
 >p83 : Promise<any>
 >p.then(() => null, () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => null
 >null : null
 >() => x : () => any
@@ -983,9 +983,9 @@ const p83 = p.then(() => null, () => x);
 const p84 = p.then(() => null, () => undefined);
 >p84 : Promise<null | undefined>
 >p.then(() => null, () => undefined) : Promise<null | undefined>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => null
 >null : null
 >() => undefined : () => undefined
@@ -994,9 +994,9 @@ const p84 = p.then(() => null, () => undefined);
 const p85 = p.then(() => null, () => null);
 >p85 : Promise<null>
 >p.then(() => null, () => null) : Promise<null>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => null
 >null : null
 >() => null : () => null
@@ -1005,9 +1005,9 @@ const p85 = p.then(() => null, () => null);
 const p86 = p.then(() => null, () => {});
 >p86 : Promise<void | null>
 >p.then(() => null, () => {}) : Promise<void | null>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => null
 >null : null
 >() => {} : () => void
@@ -1015,9 +1015,9 @@ const p86 = p.then(() => null, () => {});
 const p87 = p.then(() => null, () => {throw 1});
 >p87 : Promise<null>
 >p.then(() => null, () => {throw 1}) : Promise<null>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => null
 >null : null
 >() => {throw 1} : () => never
@@ -1026,24 +1026,24 @@ const p87 = p.then(() => null, () => {throw 1});
 const p88 = p.then(() => null, () => Promise.resolve(1));
 >p88 : Promise<number | null>
 >p.then(() => null, () => Promise.resolve(1)) : Promise<number | null>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => null
 >null : null
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p89 = p.then(() => null, () => Promise.reject(1));
 >p89 : Promise<null>
 >p.then(() => null, () => Promise.reject(1)) : Promise<null>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => null : () => null
 >null : null
 >() => Promise.reject(1) : () => Promise<never>
@@ -1056,27 +1056,27 @@ const p89 = p.then(() => null, () => Promise.reject(1));
 const p90 = p.then(() => {}, undefined);
 >p90 : Promise<void>
 >p.then(() => {}, undefined) : Promise<void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >undefined : undefined
 
 const p91 = p.then(() => {}, null);
 >p91 : Promise<void>
 >p.then(() => {}, null) : Promise<void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >null : null
 
 const p92 = p.then(() => {}, () => 1);
 >p92 : Promise<number | void>
 >p.then(() => {}, () => 1) : Promise<number | void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >() => 1 : () => number
 >1 : 1
@@ -1084,9 +1084,9 @@ const p92 = p.then(() => {}, () => 1);
 const p93 = p.then(() => {}, () => x);
 >p93 : Promise<any>
 >p.then(() => {}, () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >() => x : () => any
 >x : any
@@ -1094,9 +1094,9 @@ const p93 = p.then(() => {}, () => x);
 const p94 = p.then(() => {}, () => undefined);
 >p94 : Promise<void | undefined>
 >p.then(() => {}, () => undefined) : Promise<void | undefined>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >() => undefined : () => undefined
 >undefined : undefined
@@ -1104,9 +1104,9 @@ const p94 = p.then(() => {}, () => undefined);
 const p95 = p.then(() => {}, () => null);
 >p95 : Promise<void | null>
 >p.then(() => {}, () => null) : Promise<void | null>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >() => null : () => null
 >null : null
@@ -1114,18 +1114,18 @@ const p95 = p.then(() => {}, () => null);
 const p96 = p.then(() => {}, () => {});
 >p96 : Promise<void>
 >p.then(() => {}, () => {}) : Promise<void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >() => {} : () => void
 
 const p97 = p.then(() => {}, () => {throw 1});
 >p97 : Promise<void>
 >p.then(() => {}, () => {throw 1}) : Promise<void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >() => {throw 1} : () => never
 >1 : 1
@@ -1133,23 +1133,23 @@ const p97 = p.then(() => {}, () => {throw 1});
 const p98 = p.then(() => {}, () => Promise.resolve(1));
 >p98 : Promise<number | void>
 >p.then(() => {}, () => Promise.resolve(1)) : Promise<number | void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p99 = p.then(() => {}, () => Promise.reject(1));
 >p99 : Promise<void>
 >p.then(() => {}, () => Promise.reject(1)) : Promise<void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {} : () => void
 >() => Promise.reject(1) : () => Promise<never>
 >Promise.reject(1) : Promise<never>
@@ -1161,9 +1161,9 @@ const p99 = p.then(() => {}, () => Promise.reject(1));
 const pa0 = p.then(() => {throw 1}, undefined);
 >pa0 : Promise<never>
 >p.then(() => {throw 1}, undefined) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >undefined : undefined
@@ -1171,9 +1171,9 @@ const pa0 = p.then(() => {throw 1}, undefined);
 const pa1 = p.then(() => {throw 1}, null);
 >pa1 : Promise<never>
 >p.then(() => {throw 1}, null) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >null : null
@@ -1181,9 +1181,9 @@ const pa1 = p.then(() => {throw 1}, null);
 const pa2 = p.then(() => {throw 1}, () => 1);
 >pa2 : Promise<number>
 >p.then(() => {throw 1}, () => 1) : Promise<number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >() => 1 : () => number
@@ -1192,9 +1192,9 @@ const pa2 = p.then(() => {throw 1}, () => 1);
 const pa3 = p.then(() => {throw 1}, () => x);
 >pa3 : Promise<any>
 >p.then(() => {throw 1}, () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >() => x : () => any
@@ -1203,9 +1203,9 @@ const pa3 = p.then(() => {throw 1}, () => x);
 const pa4 = p.then(() => {throw 1}, () => undefined);
 >pa4 : Promise<undefined>
 >p.then(() => {throw 1}, () => undefined) : Promise<undefined>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >() => undefined : () => undefined
@@ -1214,9 +1214,9 @@ const pa4 = p.then(() => {throw 1}, () => undefined);
 const pa5 = p.then(() => {throw 1}, () => null);
 >pa5 : Promise<null>
 >p.then(() => {throw 1}, () => null) : Promise<null>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >() => null : () => null
@@ -1225,9 +1225,9 @@ const pa5 = p.then(() => {throw 1}, () => null);
 const pa6 = p.then(() => {throw 1}, () => {});
 >pa6 : Promise<void>
 >p.then(() => {throw 1}, () => {}) : Promise<void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >() => {} : () => void
@@ -1235,9 +1235,9 @@ const pa6 = p.then(() => {throw 1}, () => {});
 const pa7 = p.then(() => {throw 1}, () => {throw 1});
 >pa7 : Promise<never>
 >p.then(() => {throw 1}, () => {throw 1}) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >() => {throw 1} : () => never
@@ -1246,24 +1246,24 @@ const pa7 = p.then(() => {throw 1}, () => {throw 1});
 const pa8 = p.then(() => {throw 1}, () => Promise.resolve(1));
 >pa8 : Promise<number>
 >p.then(() => {throw 1}, () => Promise.resolve(1)) : Promise<number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const pa9 = p.then(() => {throw 1}, () => Promise.reject(1));
 >pa9 : Promise<never>
 >p.then(() => {throw 1}, () => Promise.reject(1)) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => {throw 1} : () => never
 >1 : 1
 >() => Promise.reject(1) : () => Promise<never>
@@ -1276,42 +1276,42 @@ const pa9 = p.then(() => {throw 1}, () => Promise.reject(1));
 const pb0 = p.then(() => Promise.resolve("1"), undefined);
 >pb0 : Promise<string>
 >p.then(() => Promise.resolve("1"), undefined) : Promise<string>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >undefined : undefined
 
 const pb1 = p.then(() => Promise.resolve("1"), null);
 >pb1 : Promise<string>
 >p.then(() => Promise.resolve("1"), null) : Promise<string>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >null : null
 
 const pb2 = p.then(() => Promise.resolve("1"), () => 1);
 >pb2 : Promise<string | number>
 >p.then(() => Promise.resolve("1"), () => 1) : Promise<string | number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => 1 : () => number
 >1 : 1
@@ -1319,14 +1319,14 @@ const pb2 = p.then(() => Promise.resolve("1"), () => 1);
 const pb3 = p.then(() => Promise.resolve("1"), () => x);
 >pb3 : Promise<any>
 >p.then(() => Promise.resolve("1"), () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => x : () => any
 >x : any
@@ -1334,14 +1334,14 @@ const pb3 = p.then(() => Promise.resolve("1"), () => x);
 const pb4 = p.then(() => Promise.resolve("1"), () => undefined);
 >pb4 : Promise<string | undefined>
 >p.then(() => Promise.resolve("1"), () => undefined) : Promise<string | undefined>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => undefined : () => undefined
 >undefined : undefined
@@ -1349,14 +1349,14 @@ const pb4 = p.then(() => Promise.resolve("1"), () => undefined);
 const pb5 = p.then(() => Promise.resolve("1"), () => null);
 >pb5 : Promise<string | null>
 >p.then(() => Promise.resolve("1"), () => null) : Promise<string | null>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => null : () => null
 >null : null
@@ -1364,28 +1364,28 @@ const pb5 = p.then(() => Promise.resolve("1"), () => null);
 const pb6 = p.then(() => Promise.resolve("1"), () => {});
 >pb6 : Promise<string | void>
 >p.then(() => Promise.resolve("1"), () => {}) : Promise<string | void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => {} : () => void
 
 const pb7 = p.then(() => Promise.resolve("1"), () => {throw 1});
 >pb7 : Promise<string>
 >p.then(() => Promise.resolve("1"), () => {throw 1}) : Promise<string>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => {throw 1} : () => never
 >1 : 1
@@ -1393,33 +1393,33 @@ const pb7 = p.then(() => Promise.resolve("1"), () => {throw 1});
 const pb8 = p.then(() => Promise.resolve("1"), () => Promise.resolve(1));
 >pb8 : Promise<string | number>
 >p.then(() => Promise.resolve("1"), () => Promise.resolve(1)) : Promise<string | number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const pb9 = p.then(() => Promise.resolve("1"), () => Promise.reject(1));
 >pb9 : Promise<string>
 >p.then(() => Promise.resolve("1"), () => Promise.reject(1)) : Promise<string>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => Promise.reject(1) : () => Promise<never>
 >Promise.reject(1) : Promise<never>
@@ -1431,9 +1431,9 @@ const pb9 = p.then(() => Promise.resolve("1"), () => Promise.reject(1));
 const pc0 = p.then(() => Promise.reject("1"), undefined);
 >pc0 : Promise<never>
 >p.then(() => Promise.reject("1"), undefined) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1445,9 +1445,9 @@ const pc0 = p.then(() => Promise.reject("1"), undefined);
 const pc1 = p.then(() => Promise.reject("1"), null);
 >pc1 : Promise<never>
 >p.then(() => Promise.reject("1"), null) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1459,9 +1459,9 @@ const pc1 = p.then(() => Promise.reject("1"), null);
 const pc2 = p.then(() => Promise.reject("1"), () => 1);
 >pc2 : Promise<number>
 >p.then(() => Promise.reject("1"), () => 1) : Promise<number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1474,9 +1474,9 @@ const pc2 = p.then(() => Promise.reject("1"), () => 1);
 const pc3 = p.then(() => Promise.reject("1"), () => x);
 >pc3 : Promise<any>
 >p.then(() => Promise.reject("1"), () => x) : Promise<any>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1489,9 +1489,9 @@ const pc3 = p.then(() => Promise.reject("1"), () => x);
 const pc4 = p.then(() => Promise.reject("1"), () => undefined);
 >pc4 : Promise<undefined>
 >p.then(() => Promise.reject("1"), () => undefined) : Promise<undefined>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1504,9 +1504,9 @@ const pc4 = p.then(() => Promise.reject("1"), () => undefined);
 const pc5 = p.then(() => Promise.reject("1"), () => null);
 >pc5 : Promise<null>
 >p.then(() => Promise.reject("1"), () => null) : Promise<null>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1519,9 +1519,9 @@ const pc5 = p.then(() => Promise.reject("1"), () => null);
 const pc6 = p.then(() => Promise.reject("1"), () => {});
 >pc6 : Promise<void>
 >p.then(() => Promise.reject("1"), () => {}) : Promise<void>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1533,9 +1533,9 @@ const pc6 = p.then(() => Promise.reject("1"), () => {});
 const pc7 = p.then(() => Promise.reject("1"), () => {throw 1});
 >pc7 : Promise<never>
 >p.then(() => Promise.reject("1"), () => {throw 1}) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1548,9 +1548,9 @@ const pc7 = p.then(() => Promise.reject("1"), () => {throw 1});
 const pc8 = p.then(() => Promise.reject("1"), () => Promise.resolve(1));
 >pc8 : Promise<number>
 >p.then(() => Promise.reject("1"), () => Promise.resolve(1)) : Promise<number>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
@@ -1559,17 +1559,17 @@ const pc8 = p.then(() => Promise.reject("1"), () => Promise.resolve(1));
 >"1" : "1"
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
 >pc9 : Promise<never>
 >p.then(() => Promise.reject("1"), () => Promise.reject(1)) : Promise<never>
->p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>p.then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >p : Promise<boolean>
->then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
+>then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1) | null | undefined, onrejected?: ((reason: any) => TResult2) | null | undefined) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => Promise.reject("1") : () => Promise<never>
 >Promise.reject("1") : Promise<never>
 >Promise.reject : <T = never>(reason?: any) => Promise<T>
diff --git a/tests/baselines/reference/promiseVoidErrorCallback.types b/tests/baselines/reference/promiseVoidErrorCallback.types
index a1388cb04ef69..d3f9ca40c2d1a 100644
--- a/tests/baselines/reference/promiseVoidErrorCallback.types
+++ b/tests/baselines/reference/promiseVoidErrorCallback.types
@@ -19,9 +19,9 @@ function f1(): Promise<T1> {
 
     return Promise.resolve({ __t1: "foo_t1" });
 >Promise.resolve({ __t1: "foo_t1" }) : Promise<{ __t1: string; }>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >{ __t1: "foo_t1" } : { __t1: string; }
 >__t1 : string
 >"foo_t1" : "foo_t1"
@@ -44,14 +44,14 @@ function f2(x: T1): T2 {
 var x3 = f1()
 >x3 : Promise<{ __t3: string; }>
 >f1()    .then(f2, (e: Error) => {    throw e;})    .then((x: T2) => {    return { __t3: x.__t2 + "bar" };}) : Promise<{ __t3: string; }>
->f1()    .then(f2, (e: Error) => {    throw e;})    .then : <TResult1 = T2, TResult2 = never>(onfulfilled?: (value: T2) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>f1()    .then(f2, (e: Error) => {    throw e;})    .then : <TResult1 = T2, TResult2 = never>(onfulfilled?: (value: T2) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >f1()    .then(f2, (e: Error) => {    throw e;}) : Promise<T2>
->f1()    .then : <TResult1 = T1, TResult2 = never>(onfulfilled?: (value: T1) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>f1()    .then : <TResult1 = T1, TResult2 = never>(onfulfilled?: (value: T1) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >f1() : Promise<T1>
 >f1 : () => Promise<T1>
 
     .then(f2, (e: Error) => {
->then : <TResult1 = T1, TResult2 = never>(onfulfilled?: (value: T1) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = T1, TResult2 = never>(onfulfilled?: (value: T1) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >f2 : (x: T1) => T2
 >(e: Error) => {    throw e;} : (e: Error) => never
 >e : Error
@@ -61,7 +61,7 @@ var x3 = f1()
 
 })
     .then((x: T2) => {
->then : <TResult1 = T2, TResult2 = never>(onfulfilled?: (value: T2) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = T2, TResult2 = never>(onfulfilled?: (value: T2) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >(x: T2) => {    return { __t3: x.__t2 + "bar" };} : (x: T2) => { __t3: string; }
 >x : T2
 
diff --git a/tests/baselines/reference/promises.types b/tests/baselines/reference/promises.types
index 0640f0135498f..98b379edc3a50 100644
--- a/tests/baselines/reference/promises.types
+++ b/tests/baselines/reference/promises.types
@@ -1,12 +1,12 @@
 === tests/cases/compiler/promises.ts ===
 interface Promise<T> {
     then<U>(success?: (value: T) => U): Promise<U>;
->then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: T) => U): Promise<U>; <U>(success?: (value: T) => Promise<U>): Promise<U>; }
+>then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: T) => U): Promise<U>; <U>(success?: (value: T) => Promise<U>): Promise<U>; }
 >success : (value: T) => U
 >value : T
 
     then<U>(success?: (value: T) => Promise<U>): Promise<U>;
->then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(success?: (value: T) => U): Promise<U>; <U>(success?: (value: T) => Promise<U>): Promise<U>; }
+>then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(success?: (value: T) => U): Promise<U>; <U>(success?: (value: T) => Promise<U>): Promise<U>; }
 >success : (value: T) => Promise<U>
 >value : T
 
diff --git a/tests/baselines/reference/promisesWithConstraints.types b/tests/baselines/reference/promisesWithConstraints.types
index 367cd6a61a677..6276ce301e6c8 100644
--- a/tests/baselines/reference/promisesWithConstraints.types
+++ b/tests/baselines/reference/promisesWithConstraints.types
@@ -1,7 +1,7 @@
 === tests/cases/compiler/promisesWithConstraints.ts ===
 interface Promise<T> {
     then<U>(cb: (x: T) => Promise<U>): Promise<U>;
->then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(cb: (x: T) => Promise<U>): Promise<U>; }
+>then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(cb: (x: T) => Promise<U>): Promise<U>; }
 >cb : (x: T) => Promise<U>
 >x : T
 }
diff --git a/tests/baselines/reference/specializationError.types b/tests/baselines/reference/specializationError.types
index 8f0b5747bfa9d..c6ef856b3dd8f 100644
--- a/tests/baselines/reference/specializationError.types
+++ b/tests/baselines/reference/specializationError.types
@@ -1,7 +1,7 @@
 === tests/cases/compiler/specializationError.ts ===
 interface Promise<T> {
     then<U>(value: T): void;
->then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>; <U>(value: T): void; }
+>then : { <TResult1 = T, TResult2 = never>(onfulfilled?: (value: T) => TResult1, onrejected?: (reason: any) => TResult2): Promise<Awaited<TResult1> | Awaited<TResult2>>; <U>(value: T): void; }
 >value : T
 }
 
diff --git a/tests/baselines/reference/syntheticDefaultExportsWithDynamicImports.types b/tests/baselines/reference/syntheticDefaultExportsWithDynamicImports.types
index 3f1ef83a0ae9c..dc1a333509528 100644
--- a/tests/baselines/reference/syntheticDefaultExportsWithDynamicImports.types
+++ b/tests/baselines/reference/syntheticDefaultExportsWithDynamicImports.types
@@ -9,10 +9,10 @@ export = packageExport;
 === tests/cases/compiler/index.ts ===
 import("package").then(({default: foo}) => foo(42));
 >import("package").then(({default: foo}) => foo(42)) : Promise<string>
->import("package").then : <TResult1 = { default: (x: number) => string; }, TResult2 = never>(onfulfilled?: (value: { default: (x: number) => string; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>import("package").then : <TResult1 = { default: (x: number) => string; }, TResult2 = never>(onfulfilled?: (value: { default: (x: number) => string; }) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >import("package") : Promise<{ default: (x: number) => string; }>
 >"package" : "package"
->then : <TResult1 = { default: (x: number) => string; }, TResult2 = never>(onfulfilled?: (value: { default: (x: number) => string; }) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>then : <TResult1 = { default: (x: number) => string; }, TResult2 = never>(onfulfilled?: (value: { default: (x: number) => string; }) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >({default: foo}) => foo(42) : ({ default: foo }: { default: (x: number) => string; }) => string
 >default : any
 >foo : (x: number) => string
diff --git a/tests/baselines/reference/transformNestedGeneratorsWithTry.types b/tests/baselines/reference/transformNestedGeneratorsWithTry.types
index 061342eaf44b0..f6c66bb291c9c 100644
--- a/tests/baselines/reference/transformNestedGeneratorsWithTry.types
+++ b/tests/baselines/reference/transformNestedGeneratorsWithTry.types
@@ -16,9 +16,9 @@ async function a(): Bluebird<void> {
         await Bluebird.resolve(); // -- remove this and it compiles
 >await Bluebird.resolve() : void
 >Bluebird.resolve() : Promise<void>
->Bluebird.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Bluebird.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Bluebird : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 
       } catch (error) { }
 >error : any
diff --git a/tests/baselines/reference/types.asyncGenerators.es2018.1.types b/tests/baselines/reference/types.asyncGenerators.es2018.1.types
index 3c6e51c56d220..0d3a4e64201f7 100644
--- a/tests/baselines/reference/types.asyncGenerators.es2018.1.types
+++ b/tests/baselines/reference/types.asyncGenerators.es2018.1.types
@@ -21,9 +21,9 @@ async function * inferReturnType4() {
     yield Promise.resolve(1);
 >yield Promise.resolve(1) : any
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 }
 async function * inferReturnType5() {
@@ -36,9 +36,9 @@ async function * inferReturnType5() {
     yield Promise.resolve(2);
 >yield Promise.resolve(2) : any
 >Promise.resolve(2) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >2 : 2
 }
 async function * inferReturnType6() {
@@ -57,9 +57,9 @@ async function * inferReturnType7() {
 >yield* [Promise.resolve(1)] : any
 >[Promise.resolve(1)] : Promise<number>[]
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 }
 async function * inferReturnType8() {
@@ -89,9 +89,9 @@ const assignability2: () => AsyncIterableIterator<number> = async function * ()
     yield Promise.resolve(1);
 >yield Promise.resolve(1) : undefined
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 };
@@ -114,9 +114,9 @@ const assignability4: () => AsyncIterableIterator<number> = async function * ()
 >yield* [Promise.resolve(1)] : any
 >[Promise.resolve(1)] : Promise<number>[]
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 };
@@ -149,9 +149,9 @@ const assignability7: () => AsyncIterable<number> = async function * () {
     yield Promise.resolve(1);
 >yield Promise.resolve(1) : undefined
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 };
@@ -174,9 +174,9 @@ const assignability9: () => AsyncIterable<number> = async function * () {
 >yield* [Promise.resolve(1)] : any
 >[Promise.resolve(1)] : Promise<number>[]
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 };
@@ -209,9 +209,9 @@ const assignability12: () => AsyncIterator<number> = async function * () {
     yield Promise.resolve(1);
 >yield Promise.resolve(1) : undefined
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 };
@@ -234,9 +234,9 @@ const assignability14: () => AsyncIterator<number> = async function * () {
 >yield* [Promise.resolve(1)] : any
 >[Promise.resolve(1)] : Promise<number>[]
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 };
@@ -266,9 +266,9 @@ async function * explicitReturnType2(): AsyncIterableIterator<number> {
     yield Promise.resolve(1);
 >yield Promise.resolve(1) : undefined
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 }
 async function * explicitReturnType3(): AsyncIterableIterator<number> {
@@ -287,9 +287,9 @@ async function * explicitReturnType4(): AsyncIterableIterator<number> {
 >yield* [Promise.resolve(1)] : any
 >[Promise.resolve(1)] : Promise<number>[]
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 }
 async function * explicitReturnType5(): AsyncIterableIterator<number> {
@@ -316,9 +316,9 @@ async function * explicitReturnType7(): AsyncIterable<number> {
     yield Promise.resolve(1);
 >yield Promise.resolve(1) : undefined
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 }
 async function * explicitReturnType8(): AsyncIterable<number> {
@@ -337,9 +337,9 @@ async function * explicitReturnType9(): AsyncIterable<number> {
 >yield* [Promise.resolve(1)] : any
 >[Promise.resolve(1)] : Promise<number>[]
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 }
 async function * explicitReturnType10(): AsyncIterable<number> {
@@ -366,9 +366,9 @@ async function * explicitReturnType12(): AsyncIterator<number> {
     yield Promise.resolve(1);
 >yield Promise.resolve(1) : undefined
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 }
 async function * explicitReturnType13(): AsyncIterator<number> {
@@ -387,9 +387,9 @@ async function * explicitReturnType14(): AsyncIterator<number> {
 >yield* [Promise.resolve(1)] : any
 >[Promise.resolve(1)] : Promise<number>[]
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 }
 async function * explicitReturnType15(): AsyncIterator<number> {
@@ -425,9 +425,9 @@ async function * awaitedType2() {
 >x : number
 >await Promise.resolve(1) : number
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 }
 async function * nextType1(): { next(...args: [] | [number | PromiseLike<number>]): any } {
diff --git a/tests/baselines/reference/types.asyncGenerators.es2018.2.types b/tests/baselines/reference/types.asyncGenerators.es2018.2.types
index 8352487119937..da0ec5438da50 100644
--- a/tests/baselines/reference/types.asyncGenerators.es2018.2.types
+++ b/tests/baselines/reference/types.asyncGenerators.es2018.2.types
@@ -20,9 +20,9 @@ async function * inferReturnType3() {
     yield* Promise.resolve([1, 2]);
 >yield* Promise.resolve([1, 2]) : any
 >Promise.resolve([1, 2]) : Promise<number[]>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >[1, 2] : number[]
 >1 : 1
 >2 : 2
diff --git a/tests/baselines/reference/unionAndIntersectionInference1.types b/tests/baselines/reference/unionAndIntersectionInference1.types
index 72d60545e6a51..51576d33bc208 100644
--- a/tests/baselines/reference/unionAndIntersectionInference1.types
+++ b/tests/baselines/reference/unionAndIntersectionInference1.types
@@ -190,12 +190,12 @@ const createTestAsync = (): Promise<ITest> => Promise.resolve().then(() => ({ na
 >createTestAsync : () => Promise<ITest>
 >(): Promise<ITest> => Promise.resolve().then(() => ({ name: 'test' })) : () => Promise<ITest>
 >Promise.resolve().then(() => ({ name: 'test' })) : Promise<ITest | { name: "test"; }>
->Promise.resolve().then : <TResult1 = void, TResult2 = never>(onfulfilled?: (value: void) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>Promise.resolve().then : <TResult1 = void, TResult2 = never>(onfulfilled?: (value: void) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >Promise.resolve() : Promise<void>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
->then : <TResult1 = void, TResult2 = never>(onfulfilled?: (value: void) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
+>then : <TResult1 = void, TResult2 = never>(onfulfilled?: (value: void) => TResult1, onrejected?: (reason: any) => TResult2) => Promise<Awaited<TResult1> | Awaited<TResult2>>
 >() => ({ name: 'test' }) : () => { name: "test"; }
 >({ name: 'test' }) : { name: "test"; }
 >{ name: 'test' } : { name: "test"; }
diff --git a/tests/baselines/reference/unionTypeInference.types b/tests/baselines/reference/unionTypeInference.types
index b8107f3c04d0a..c86be843b5477 100644
--- a/tests/baselines/reference/unionTypeInference.types
+++ b/tests/baselines/reference/unionTypeInference.types
@@ -221,18 +221,18 @@ async function fun<T>(deepPromised: DeepPromised<T>) {
 >deepPromisedWithIndexer : DeepPromised<{ [name: string]: {} | null | undefined; }>
 
         const awaitedValue = await value;
->awaitedValue : {} | ({ [containsPromises]?: true | undefined; } & {}) | null | undefined
->await value : {} | ({ [containsPromises]?: true | undefined; } & {}) | null | undefined
+>awaitedValue : {} | ({ [containsPromises]?: true | undefined; } & {}) | ({ [containsPromises]?: true | undefined; } & {}) | null | undefined
+>await value : {} | ({ [containsPromises]?: true | undefined; } & {}) | ({ [containsPromises]?: true | undefined; } & {}) | null | undefined
 >value : {} | ({ [containsPromises]?: true | undefined; } & {}) | Promise<{ [containsPromises]?: true | undefined; } & {}> | null | undefined
 
         if (awaitedValue)
->awaitedValue : {} | ({ [containsPromises]?: true | undefined; } & {}) | null | undefined
+>awaitedValue : {} | ({ [containsPromises]?: true | undefined; } & {}) | ({ [containsPromises]?: true | undefined; } & {}) | null | undefined
 
             await fun(awaitedValue);
 >await fun(awaitedValue) : void
 >fun(awaitedValue) : Promise<void>
 >fun : <T>(deepPromised: DeepPromised<T>) => Promise<void>
->awaitedValue : {} | ({ [containsPromises]?: true | undefined; } & {})
+>awaitedValue : {} | ({ [containsPromises]?: true | undefined; } & {}) | ({ [containsPromises]?: true | undefined; } & {})
     }
 }
 
diff --git a/tests/baselines/reference/uniqueSymbols.types b/tests/baselines/reference/uniqueSymbols.types
index a321593c11a8c..fca7c24c34fdc 100644
--- a/tests/baselines/reference/uniqueSymbols.types
+++ b/tests/baselines/reference/uniqueSymbols.types
@@ -400,9 +400,9 @@ const constInitToLReadonlyNestedTypeWithIndexedAccess: L["nested"]["readonlyNest
 const promiseForConstCall = Promise.resolve(constCall);
 >promiseForConstCall : Promise<unique symbol>
 >Promise.resolve(constCall) : Promise<unique symbol>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >constCall : unique symbol
 
 const arrayOfConstCall = [constCall];
diff --git a/tests/baselines/reference/uniqueSymbolsDeclarations.types b/tests/baselines/reference/uniqueSymbolsDeclarations.types
index bacdafc5680db..f2294efd5aec7 100644
--- a/tests/baselines/reference/uniqueSymbolsDeclarations.types
+++ b/tests/baselines/reference/uniqueSymbolsDeclarations.types
@@ -393,9 +393,9 @@ const constInitToLReadonlyNestedTypeWithIndexedAccess: L["nested"]["readonlyNest
 const promiseForConstCall = Promise.resolve(constCall);
 >promiseForConstCall : Promise<unique symbol>
 >Promise.resolve(constCall) : Promise<unique symbol>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >constCall : unique symbol
 
 const arrayOfConstCall = [constCall];
diff --git a/tests/baselines/reference/user/axios-src.log b/tests/baselines/reference/user/axios-src.log
index b9c1388292aa1..dd75a7d1b97c2 100644
--- a/tests/baselines/reference/user/axios-src.log
+++ b/tests/baselines/reference/user/axios-src.log
@@ -1,10 +1,10 @@
 Exit Code: 1
 Standard output:
 lib/adapters/http.js(13,19): error TS2732: Cannot find module './../../package.json'. Consider using '--resolveJsonModule' to import module with '.json' extension
-lib/adapters/http.js(84,22): error TS2345: Argument of type 'string | undefined' is not assignable to parameter of type 'string'.
-  Type 'undefined' is not assignable to type 'string'.
-lib/adapters/http.js(124,17): error TS2532: Object is possibly 'undefined'.
-lib/adapters/http.js(124,40): error TS2532: Object is possibly 'undefined'.
+lib/adapters/http.js(84,22): error TS2345: Argument of type 'string | null' is not assignable to parameter of type 'string'.
+  Type 'null' is not assignable to type 'string'.
+lib/adapters/http.js(124,17): error TS2531: Object is possibly 'null'.
+lib/adapters/http.js(124,40): error TS2531: Object is possibly 'null'.
 lib/adapters/http.js(223,23): error TS2345: Argument of type 'null' is not assignable to parameter of type 'string | undefined'.
 lib/adapters/http.js(229,44): error TS2345: Argument of type 'null' is not assignable to parameter of type 'string | undefined'.
 lib/adapters/http.js(235,13): error TS2322: Type 'string' is not assignable to type 'Buffer'.
@@ -45,8 +45,8 @@ lib/core/enhanceError.js(37,20): error TS2339: Property 'config' does not exist
 lib/core/enhanceError.js(38,18): error TS2339: Property 'code' does not exist on type 'Error'.
 lib/core/settle.js(20,7): error TS2345: Argument of type 'null' is not assignable to parameter of type 'string | undefined'.
 lib/helpers/cookies.js(16,56): error TS2551: Property 'toGMTString' does not exist on type 'Date'. Did you mean 'toUTCString'?
-lib/utils.js(248,20): error TS8029: JSDoc '@param' tag has name 'obj1', but there is no parameter with that name. It would match 'arguments' if it had an array type.
-lib/utils.js(272,20): error TS8029: JSDoc '@param' tag has name 'obj1', but there is no parameter with that name. It would match 'arguments' if it had an array type.
+lib/utils.js(258,20): error TS8029: JSDoc '@param' tag has name 'obj1', but there is no parameter with that name. It would match 'arguments' if it had an array type.
+lib/utils.js(282,20): error TS8029: JSDoc '@param' tag has name 'obj1', but there is no parameter with that name. It would match 'arguments' if it had an array type.
 
 
 
diff --git a/tests/baselines/reference/user/chrome-devtools-frontend.log b/tests/baselines/reference/user/chrome-devtools-frontend.log
index c45cbcc183bed..d501dde828098 100644
--- a/tests/baselines/reference/user/chrome-devtools-frontend.log
+++ b/tests/baselines/reference/user/chrome-devtools-frontend.log
@@ -1,6 +1,6 @@
 Exit Code: 1
 Standard output:
-../../../../built/local/lib.es5.d.ts(1433,11): error TS2300: Duplicate identifier 'ArrayLike'.
+../../../../built/local/lib.es5.d.ts(1439,11): error TS2300: Duplicate identifier 'ArrayLike'.
 ../../../../node_modules/@types/node/globals.d.ts(231,13): error TS2403: Subsequent variable declarations must have the same type.  Variable 'module' must be of type '{}', but here has type 'NodeModule'.
 node_modules/chrome-devtools-frontend/front_end/Runtime.js(43,8): error TS2339: Property '_importScriptPathPrefix' does not exist on type 'Window & typeof globalThis'.
 node_modules/chrome-devtools-frontend/front_end/Runtime.js(77,16): error TS7014: Function type, which lacks return-type annotation, implicitly has an 'any' return type.
@@ -618,6 +618,7 @@ node_modules/chrome-devtools-frontend/front_end/audits2_worker/lighthouse/lighth
 node_modules/chrome-devtools-frontend/front_end/audits2_worker/lighthouse/lighthouse-background.js(9093,57): error TS2554: Expected 0-2 arguments, but got 3.
 node_modules/chrome-devtools-frontend/front_end/audits2_worker/lighthouse/lighthouse-background.js(9117,73): error TS2554: Expected 0-2 arguments, but got 3.
 node_modules/chrome-devtools-frontend/front_end/audits2_worker/lighthouse/lighthouse-background.js(9467,15): error TS2339: Property 'axe' does not exist on type 'Window & typeof globalThis'.
+node_modules/chrome-devtools-frontend/front_end/audits2_worker/lighthouse/lighthouse-background.js(9823,40): error TS2488: Type '{ [x: string]: any; }' must have a '[Symbol.iterator]()' method that returns an iterator.
 node_modules/chrome-devtools-frontend/front_end/audits2_worker/lighthouse/lighthouse-background.js(10092,16): error TS2304: Cannot find name 'd41d8cd98f00b204e9800998ecf8427e_LibraryDetectorTests'.
 node_modules/chrome-devtools-frontend/front_end/audits2_worker/lighthouse/lighthouse-background.js(10513,19): error TS2488: Type 'NodeListOf<Element>' must have a '[Symbol.iterator]()' method that returns an iterator.
 node_modules/chrome-devtools-frontend/front_end/audits2_worker/lighthouse/lighthouse-background.js(10811,19): error TS2304: Cannot find name 'getElementsInDocument'.
@@ -5044,21 +5045,7 @@ node_modules/chrome-devtools-frontend/front_end/elements/ComputedStyleWidget.js(
 node_modules/chrome-devtools-frontend/front_end/elements/ComputedStyleWidget.js(52,56): error TS2555: Expected at least 2 arguments, but got 1.
 node_modules/chrome-devtools-frontend/front_end/elements/ComputedStyleWidget.js(58,78): error TS2555: Expected at least 2 arguments, but got 1.
 node_modules/chrome-devtools-frontend/front_end/elements/ComputedStyleWidget.js(73,12): error TS2339: Property '_filterRegex' does not exist on type 'ComputedStyleWidget'.
-node_modules/chrome-devtools-frontend/front_end/elements/ComputedStyleWidget.js(91,24): error TS2769: No overload matches this call.
-  The last overload gave the following error.
-    Argument of type '(Promise<ComputedStyle> | Promise<CSSMatchedStyles>)[]' is not assignable to parameter of type 'Iterable<ComputedStyle | PromiseLike<ComputedStyle>>'.
-      The types returned by '[Symbol.iterator]().next(...)' are incompatible between these types.
-        Type 'IteratorResult<Promise<ComputedStyle> | Promise<CSSMatchedStyles>, any>' is not assignable to type 'IteratorResult<ComputedStyle | PromiseLike<ComputedStyle>, any>'.
-          Type 'IteratorYieldResult<Promise<ComputedStyle> | Promise<CSSMatchedStyles>>' is not assignable to type 'IteratorResult<ComputedStyle | PromiseLike<ComputedStyle>, any>'.
-            Type 'IteratorYieldResult<Promise<ComputedStyle> | Promise<CSSMatchedStyles>>' is not assignable to type 'IteratorYieldResult<ComputedStyle | PromiseLike<ComputedStyle>>'.
-              Type 'Promise<ComputedStyle> | Promise<CSSMatchedStyles>' is not assignable to type 'ComputedStyle | PromiseLike<ComputedStyle>'.
-                Type 'Promise<CSSMatchedStyles>' is not assignable to type 'ComputedStyle | PromiseLike<ComputedStyle>'.
-                  Type 'Promise<CSSMatchedStyles>' is not assignable to type 'PromiseLike<ComputedStyle>'.
-                    Types of property 'then' are incompatible.
-                      Type '<TResult1 = CSSMatchedStyles, TResult2 = never>(onfulfilled?: (value: CSSMatchedStyles) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<...>) => Promise<...>' is not assignable to type '<TResult1 = ComputedStyle, TResult2 = never>(onfulfilled?: (value: ComputedStyle) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<...>) => PromiseLike<...>'.
-                        Types of parameters 'onfulfilled' and 'onfulfilled' are incompatible.
-                          Types of parameters 'value' and 'value' are incompatible.
-                            Property 'computedStyle' is missing in type 'CSSMatchedStyles' but required in type 'ComputedStyle'.
+node_modules/chrome-devtools-frontend/front_end/elements/ComputedStyleWidget.js(91,34): error TS2339: Property 'spread' does not exist on type 'Promise<(CSSMatchedStyles | ComputedStyle)[]>'.
 node_modules/chrome-devtools-frontend/front_end/elements/ComputedStyleWidget.js(147,52): error TS2339: Property 'keysArray' does not exist on type 'Map<string, string>'.
 node_modules/chrome-devtools-frontend/front_end/elements/ComputedStyleWidget.js(179,50): error TS2339: Property 'createChild' does not exist on type 'Element'.
 node_modules/chrome-devtools-frontend/front_end/elements/ComputedStyleWidget.js(200,74): error TS2339: Property 'consume' does not exist on type 'Event'.
@@ -5347,21 +5334,6 @@ node_modules/chrome-devtools-frontend/front_end/elements/InspectElementModeContr
           Type 'T' is not assignable to type 'OverlayModel'.
 node_modules/chrome-devtools-frontend/front_end/elements/InspectElementModeController.js(91,24): error TS2694: Namespace 'Protocol' has no exported member 'Overlay'.
 node_modules/chrome-devtools-frontend/front_end/elements/MetricsSidebarPane.js(56,27): error TS2339: Property 'removeChildren' does not exist on type 'Element'.
-node_modules/chrome-devtools-frontend/front_end/elements/MetricsSidebarPane.js(82,24): error TS2769: No overload matches this call.
-  The last overload gave the following error.
-    Argument of type '(Promise<Map<string, string>> | Promise<InlineStyleResult>)[]' is not assignable to parameter of type 'Iterable<Map<string, string> | PromiseLike<Map<string, string>>>'.
-      The types returned by '[Symbol.iterator]().next(...)' are incompatible between these types.
-        Type 'IteratorResult<Promise<Map<string, string>> | Promise<InlineStyleResult>, any>' is not assignable to type 'IteratorResult<Map<string, string> | PromiseLike<Map<string, string>>, any>'.
-          Type 'IteratorYieldResult<Promise<Map<string, string>> | Promise<InlineStyleResult>>' is not assignable to type 'IteratorResult<Map<string, string> | PromiseLike<Map<string, string>>, any>'.
-            Type 'IteratorYieldResult<Promise<Map<string, string>> | Promise<InlineStyleResult>>' is not assignable to type 'IteratorYieldResult<Map<string, string> | PromiseLike<Map<string, string>>>'.
-              Type 'Promise<Map<string, string>> | Promise<InlineStyleResult>' is not assignable to type 'Map<string, string> | PromiseLike<Map<string, string>>'.
-                Type 'Promise<InlineStyleResult>' is not assignable to type 'Map<string, string> | PromiseLike<Map<string, string>>'.
-                  Type 'Promise<InlineStyleResult>' is not assignable to type 'PromiseLike<Map<string, string>>'.
-                    Types of property 'then' are incompatible.
-                      Type '<TResult1 = InlineStyleResult, TResult2 = never>(onfulfilled?: (value: InlineStyleResult) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<...>) => Promise<...>' is not assignable to type '<TResult1 = Map<string, string>, TResult2 = never>(onfulfilled?: (value: Map<string, string>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<...>) => PromiseLike<...>'.
-                        Types of parameters 'onfulfilled' and 'onfulfilled' are incompatible.
-                          Types of parameters 'value' and 'value' are incompatible.
-                            Type 'InlineStyleResult' is missing the following properties from type 'Map<string, string>': clear, delete, forEach, get, and 8 more.
 node_modules/chrome-devtools-frontend/front_end/elements/MetricsSidebarPane.js(120,11): error TS2339: Property 'consume' does not exist on type 'Event'.
 node_modules/chrome-devtools-frontend/front_end/elements/MetricsSidebarPane.js(164,22): error TS2339: Property 'toFixedIfFloating' does not exist on type 'NumberConstructor'.
 node_modules/chrome-devtools-frontend/front_end/elements/MetricsSidebarPane.js(179,18): error TS2345: Argument of type 'string' is not assignable to parameter of type 'number'.
@@ -10935,8 +10907,8 @@ node_modules/chrome-devtools-frontend/front_end/test_runner/TestRunner.js(363,62
 node_modules/chrome-devtools-frontend/front_end/test_runner/TestRunner.js(368,34): error TS2694: Namespace 'Protocol' has no exported member 'Runtime'.
 node_modules/chrome-devtools-frontend/front_end/test_runner/TestRunner.js(372,42): error TS2339: Property 'result' does not exist on type '{ response: RemoteObject; exceptionDetails: any; }'.
 node_modules/chrome-devtools-frontend/front_end/test_runner/TestRunner.js(381,35): error TS2694: Namespace 'Protocol' has no exported member 'Runtime'.
-node_modules/chrome-devtools-frontend/front_end/test_runner/TestRunner.js(503,30): error TS2345: Argument of type 'Function' is not assignable to parameter of type '(value: any[]) => any[] | PromiseLike<any[]>'.
-  Type 'Function' provides no match for the signature '(value: any[]): any[] | PromiseLike<any[]>'.
+node_modules/chrome-devtools-frontend/front_end/test_runner/TestRunner.js(503,30): error TS2345: Argument of type 'Function' is not assignable to parameter of type '(value: any[]) => any[]'.
+  Type 'Function' provides no match for the signature '(value: any[]): any[]'.
 node_modules/chrome-devtools-frontend/front_end/test_runner/TestRunner.js(641,59): error TS2551: Property 'testRunner' does not exist on type 'Window & typeof globalThis'. Did you mean 'TestRunner'?
 node_modules/chrome-devtools-frontend/front_end/test_runner/TestRunner.js(641,92): error TS2551: Property 'testRunner' does not exist on type 'Window & typeof globalThis'. Did you mean 'TestRunner'?
 node_modules/chrome-devtools-frontend/front_end/test_runner/TestRunner.js(642,3): error TS2322: Type '1' is not assignable to type 'boolean'.
@@ -12658,27 +12630,9 @@ node_modules/chrome-devtools-frontend/front_end/ui/View.js(326,21): error TS2339
 node_modules/chrome-devtools-frontend/front_end/ui/View.js(371,23): error TS2339: Property 'showView' does not exist on type '_Location'.
 node_modules/chrome-devtools-frontend/front_end/ui/View.js(440,18): error TS2339: Property 'tabIndex' does not exist on type 'Element'.
 node_modules/chrome-devtools-frontend/front_end/ui/View.js(454,38): error TS2339: Property 'hasFocus' does not exist on type 'Element'.
-node_modules/chrome-devtools-frontend/front_end/ui/View.js(461,44): error TS2769: No overload matches this call.
-  The last overload gave the following error.
-    Argument of type '(Promise<void> | Promise<ToolbarItem[]>)[]' is not assignable to parameter of type 'Iterable<void | PromiseLike<void>>'.
-      The types returned by '[Symbol.iterator]().next(...)' are incompatible between these types.
-        Type 'IteratorResult<Promise<void> | Promise<ToolbarItem[]>, any>' is not assignable to type 'IteratorResult<void | PromiseLike<void>, any>'.
-          Type 'IteratorYieldResult<Promise<void> | Promise<ToolbarItem[]>>' is not assignable to type 'IteratorResult<void | PromiseLike<void>, any>'.
-            Type 'IteratorYieldResult<Promise<void> | Promise<ToolbarItem[]>>' is not assignable to type 'IteratorYieldResult<void | PromiseLike<void>>'.
-              Type 'Promise<void> | Promise<ToolbarItem[]>' is not assignable to type 'void | PromiseLike<void>'.
-                Type 'Promise<ToolbarItem[]>' is not assignable to type 'void | PromiseLike<void>'.
-                  Type 'Promise<ToolbarItem[]>' is not assignable to type 'PromiseLike<void>'.
-                    Types of property 'then' are incompatible.
-                      Type '<TResult1 = ToolbarItem[], TResult2 = never>(onfulfilled?: (value: ToolbarItem[]) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<...>) => Promise<...>' is not assignable to type '<TResult1 = void, TResult2 = never>(onfulfilled?: (value: void) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => PromiseLike<...>'.
-                        Types of parameters 'onfulfilled' and 'onfulfilled' are incompatible.
-                          Types of parameters 'value' and 'value' are incompatible.
-                            Type 'ToolbarItem[]' is not assignable to type 'void'.
 node_modules/chrome-devtools-frontend/front_end/ui/View.js(495,24): error TS2339: Property 'createTextChild' does not exist on type 'Element'.
 node_modules/chrome-devtools-frontend/front_end/ui/View.js(496,24): error TS2339: Property 'tabIndex' does not exist on type 'Element'.
 node_modules/chrome-devtools-frontend/front_end/ui/View.js(501,25): error TS2339: Property 'createChild' does not exist on type 'Element'.
-node_modules/chrome-devtools-frontend/front_end/ui/View.js(520,44): error TS2769: No overload matches this call.
-  The last overload gave the following error.
-    Argument of type '(Promise<void> | Promise<ToolbarItem[]>)[]' is not assignable to parameter of type 'Iterable<void | PromiseLike<void>>'.
 node_modules/chrome-devtools-frontend/front_end/ui/View.js(556,36): error TS2339: Property 'keyCode' does not exist on type 'Event'.
 node_modules/chrome-devtools-frontend/front_end/ui/View.js(558,22): error TS2339: Property 'key' does not exist on type 'Event'.
 node_modules/chrome-devtools-frontend/front_end/ui/View.js(560,22): error TS2339: Property 'key' does not exist on type 'Event'.
diff --git a/tests/cases/compiler/asyncFunctionReturnType.ts b/tests/cases/compiler/asyncFunctionReturnType.ts
index 3bd7a0e998ac2..510d85adf7733 100644
--- a/tests/cases/compiler/asyncFunctionReturnType.ts
+++ b/tests/cases/compiler/asyncFunctionReturnType.ts
@@ -63,14 +63,21 @@ async function fGenericIndexedTypeForExplicitPromiseOfAnyProp<TObj extends Obj>(
     return Promise.resolve<TObj["anyProp"]>(obj.anyProp);
 }
 
-async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
+async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
     return obj[key];
 }
 
-async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
+async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
     return Promise.resolve(obj[key]);
 }
 
-async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
+async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
     return Promise.resolve<TObj[K]>(obj[key]);
-}
\ No newline at end of file
+}
+
+// #27711
+
+async function fGeneric<T>(x: T) {
+    return x;
+}
+const expected: Promise<number> = fGeneric(undefined as Promise<number>);
diff --git a/tests/cases/compiler/correctOrderOfPromiseMethod.ts b/tests/cases/compiler/correctOrderOfPromiseMethod.ts
index 70c730c6b20b1..3ce83eb3dd840 100644
--- a/tests/cases/compiler/correctOrderOfPromiseMethod.ts
+++ b/tests/cases/compiler/correctOrderOfPromiseMethod.ts
@@ -17,7 +17,7 @@ async function countEverything(): Promise<number> {
     const [resultA, resultB] = await Promise.all([
         providerA(),
         providerB(),
-    ] as const);
+    ]);
 
     const dataA: A[] = resultA;
     const dataB: B[] = resultB;
@@ -26,3 +26,7 @@ async function countEverything(): Promise<number> {
     }
     return 0;
 }
+
+// #31179
+
+const expected: Promise<['a', 'b', 'c']> = Promise.all(undefined as readonly ['a', 'b', 'c']);
diff --git a/tests/cases/compiler/promiseType.ts b/tests/cases/compiler/promiseType.ts
index ba4a7f6041396..17b9f04ff458a 100644
--- a/tests/cases/compiler/promiseType.ts
+++ b/tests/cases/compiler/promiseType.ts
@@ -217,3 +217,15 @@ const pc6 = p.then(() => Promise.reject("1"), () => {});
 const pc7 = p.then(() => Promise.reject("1"), () => {throw 1});
 const pc8 = p.then(() => Promise.reject("1"), () => Promise.resolve(1));
 const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
+
+const expected: undefined = undefined as Awaited<undefined>;
+
+// #28427
+
+Promise.all([undefined as Promise<number> | string]);
+
+Promise.resolve(undefined as Promise<number> | string);
+
+// #30390
+
+(undefined as Promise<any>).then(undefined as () => Promise<number> | string);
diff --git a/tests/cases/conformance/types/mapped/mappedTypesArraysTuples.ts b/tests/cases/conformance/types/mapped/mappedTypesArraysTuples.ts
index 2c0f7433ea31c..e3d0a594ffb61 100644
--- a/tests/cases/conformance/types/mapped/mappedTypesArraysTuples.ts
+++ b/tests/cases/conformance/types/mapped/mappedTypesArraysTuples.ts
@@ -60,7 +60,6 @@ let y21 = nonpartial(x21);
 declare let x22: { a: number | undefined, b?: string[] };
 let y22 = nonpartial(x22);
 
-type Awaited<T> = T extends PromiseLike<infer U> ? U : T;
 type Awaitified<T> = { [P in keyof T]: Awaited<T[P]> };
 
 declare function all<T extends any[]>(...values: T): Promise<Awaitified<T>>;