feat: add LiveServerContent.waiting_for_input flag.

PiperOrigin-RevId: 803169639

Author: MarkDaoust

src/main/java/com/google/genai/LiveConverters.java

@@ -2924,6 +2924,13 @@ ObjectNode liveServerContentFromMldev(JsonNode fromObject, ObjectNode parentObje
               toObject));
     }
 
+    if (Common.getValueByPath(fromObject, new String[] {"waitingForInput"}) != null) {
+      Common.setValueByPath(
+          toObject,
+          new String[] {"waitingForInput"},
+          Common.getValueByPath(fromObject, new String[] {"waitingForInput"}));
+    }
+
     return toObject;
   }
 
@@ -3497,6 +3504,13 @@ ObjectNode liveServerContentFromVertex(JsonNode fromObject, ObjectNode parentObj
               toObject));
     }
 
+    if (Common.getValueByPath(fromObject, new String[] {"waitingForInput"}) != null) {
+      Common.setValueByPath(
+          toObject,
+          new String[] {"waitingForInput"},
+          Common.getValueByPath(fromObject, new String[] {"waitingForInput"}));
+    }
+
     return toObject;
   }
 

src/main/java/com/google/genai/types/LiveServerContent.java

@@ -87,6 +87,13 @@ public abstract class LiveServerContent extends JsonSerializable {
   @JsonProperty("urlContextMetadata")
   public abstract Optional<UrlContextMetadata> urlContextMetadata();
 
+  /**
+   * If true, indicates that the model is not generating content because it is waiting for more
+   * input from the user, e.g. because it expects the user to continue talking.
+   */
+  @JsonProperty("waitingForInput")
+  public abstract Optional<Boolean> waitingForInput();
+
   /** Instantiates a builder for LiveServerContent. */
   @ExcludeFromGeneratedCoverageReport
   public static Builder builder() {
@@ -229,6 +236,15 @@ public Builder urlContextMetadata(UrlContextMetadata.Builder urlContextMetadataB
       return urlContextMetadata(urlContextMetadataBuilder.build());
     }
 
+    /**
+     * Setter for waitingForInput.
+     *
+     * <p>waitingForInput: If true, indicates that the model is not generating content because it is
+     * waiting for more input from the user, e.g. because it expects the user to continue talking.
+     */
+    @JsonProperty("waitingForInput")
+    public abstract Builder waitingForInput(boolean waitingForInput);
+
     public abstract LiveServerContent build();
   }