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

gcloud auth application-default login/google-cloud-sdk/lib/surface/workflows/describe.yaml

@@ -0,0 +1,54 @@
+- release_tracks: [ALPHA, BETA]
+  help_text:
+    brief: |
+      Show metadata for a workflow
+    description: |
+      Display all metadata associated with a workflow of given name.
+    examples: |
+      To describe the workflow 'my-workflow', run:
+
+          $ {command} my-workflow
+
+  arguments:
+    resource:
+      spec: !REF googlecloudsdk.command_lib.workflows.resources:workflow
+      help_text: |
+        The name of the workflow to describe.
+
+  request:
+    ALPHA:
+      api_version: v1alpha1
+    BETA:
+      api_version: v1beta
+    collection: workflows.projects.locations.workflows
+    modify_request_hooks:
+    - googlecloudsdk.command_lib.workflows.hooks:print_default_location_warning
+
+- release_tracks: [GA]
+  help_text:
+    brief: |
+      Show metadata for a workflow
+    description: |
+      Display all metadata associated with a workflow of given name and revisionID.
+      If revisionID is not provided, the metadata for the latest revision is retrieved.
+    examples: |
+      To describe the workflow 'my-workflow' at revision '000001-dc1', run:
+
+          $ {command} my-workflow `--revision-id=000001-dc1`
+
+  arguments:
+    resource:
+      spec: !REF googlecloudsdk.command_lib.workflows.resources:workflow
+      help_text: |
+        The name of the workflow to describe.
+    params:
+    - arg_name: revision-id
+      api_field: revisionId
+      help_text: |
+        The revision ID of the workflow to describe.
+
+  request:
+    api_version: v1
+    collection: workflows.projects.locations.workflows
+    modify_request_hooks:
+    - googlecloudsdk.command_lib.workflows.hooks:print_default_location_warning