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

gcloud auth application-default login/google-cloud-sdk/lib/surface/datastream/locations/list.yaml

@@ -0,0 +1,33 @@
+- release_tracks: [BETA, GA]
+
+  help_text:
+    brief: List Datastream locations.
+    description: |
+      List Datastream locations.
+    examples: |
+      To list the locations, run:
+
+        $ {command}
+
+  request:
+    collection: datastream.projects.locations
+    api_version: v1
+
+  response:
+    id_field: name
+
+  arguments:
+    resource:
+      spec: !REF googlecloudsdk.command_lib.datastream.resources:project
+      help_text: |
+        The parent project of the locations you want to list.
+
+  output:
+    format: |
+      table(
+        name.basename():label=NAME,
+        displayName:label=DISPLAYNAME,
+        labels:label=LABELS,
+        locationId:label=LOCATIONID,
+        metadata:label=METADATA
+      )