fix(pg-connection-string): update TypeScript definitions

Author: hjr3

packages/pg-connection-string/index.d.ts

@@ -1,4 +1,5 @@
-import { ClientConfig } from 'pg'
+//import { ClientConfig } from 'pg'
+import { ClientConfig as PgClientConfig } from 'pg'
 
 export function parse(connectionString: string, options?: Options): ConnectionOptions
 
@@ -7,18 +8,36 @@ export interface Options {
   useLibpqCompat?: boolean
 }
 
+interface SSLConfig {
+  ca?: string
+  cert?: string | null
+  key?: string
+  rejectUnauthorized?: boolean
+}
+
 export interface ConnectionOptions {
   host: string | null
   password?: string
   user?: string
   port?: string | null
   database: string | null | undefined
   client_encoding?: string
-  ssl?: boolean | string
+  ssl?: boolean | string | SSLConfig
 
   application_name?: string
   fallback_application_name?: string
   options?: string
+  keepalives?: number
+
+  // We allow any other options to be passed through
+  [key: string]: unknown
+}
+
+// FIXME: remove this when https://github.com/DefinitelyTyped/DefinitelyTyped/pull/72576 lands
+export interface ClientConfig extends PgClientConfig {
+  fallback_application_name?: string
+  client_encoding?: string
+  options?: string
 }
 
 export function toClientConfig(config: ConnectionOptions): ClientConfig