feat: Add new gcloud commands, API clients, and third-party libraries across various services.

gcloud auth application-default login/google-cloud-sdk/lib/surface/ml/speech/operations/wait.yaml

@@ -0,0 +1,28 @@
+- help_text:
+    brief: Poll long-running speech recognition operation until it completes.
+    description: |
+      Poll a long-running speech recognition operation until it completes. When
+      the operation is complete, this command will display the results of the
+      transcription.
+    examples: |
+      To wait for the result of operation '12345':
+
+        $ {command} 12345
+
+  request:
+    collection: speech.operations
+    api_version: v1
+
+  arguments:
+    resource:
+      help_text: The ID of the operation to wait for.
+      spec: !REF googlecloudsdk.command_lib.ml.speech.resources:operation
+
+  async:
+    collection: speech.operations
+    operation_get_method_params:
+      name: operationsId
+    result_attribute: response
+
+  output:
+    format: json