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

gcloud auth application-default login/google-cloud-sdk/lib/surface/compute/reservations/delete.yaml

@@ -0,0 +1,35 @@
+- release_tracks: [ALPHA, BETA, GA]
+
+  help_text:
+    brief: Delete a Compute Engine reservation.
+    description: Delete a Compute Engine reservation.
+    examples: |
+      To delete a given Compute Engine reservation, run:
+
+        $ {command} my-reservation --zone=ZONE
+
+  arguments:
+    resource:
+      spec: !REF googlecloudsdk.command_lib.compute.resources:reservation
+      help_text: The name of the reservation to delete.
+
+  request:
+    collection: compute.reservations
+    api_version: v1
+    BETA:
+      api_version: beta
+    ALPHA:
+      api_version: alpha
+
+  async:
+    api_version: v1
+    BETA:
+      api_version: beta
+    ALPHA:
+      api_version: alpha
+    method: wait
+    collection: compute.zoneOperations
+    response_name_field: selfLink
+    state:
+      field: status
+      success_values: ['DONE']