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

gcloud auth application-default login/google-cloud-sdk/lib/surface/saas_runtime/flags/revisions/__init__.py

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+# -*- coding: utf-8 -*- #
+# Copyright 2025 Google LLC. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""The flags revisions command group for the SaaS Runtime CLI."""
+
+from googlecloudsdk.calliope import base
+
+
+@base.UniverseCompatible
+@base.ReleaseTracks(base.ReleaseTrack.ALPHA)
+@base.Hidden
+class SaasFlagsRevisions(base.Group):
+  category = base.SAAS_CATEGORY
+  detailed_help = {'brief': 'Manage SaaS Runtime flags revisions.'}

gcloud auth application-default login/google-cloud-sdk/lib/surface/saas_runtime/flags/revisions/create.yaml

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+- release_tracks:
+  - ALPHA
+  hidden: true
+  help_text:
+    brief: Create Flag Revision
+    description: Create a Flag Revision.
+    examples: |-
+      To create a Flag Revision, run:
+
+          $ {command}
+  arguments:
+    params:
+    - help_text: |-
+        Flag Revision ID. Google Cloud resource name (full URI of the resource) following the standard naming
+        scheme:
+
+          "projects/{project}/locations/{location}/flagRevisions/{flag_revision_id}"
+      is_positional: true
+      request_id_field: flagRevisionId
+      resource_spec: !REF googlecloudsdk.command_lib.saas_runtime.resources:flag_revision
+      required: true
+      repeated: false
+
+    - arg_name: flag
+      help_text: |-
+        Name (ID) of the Flag this is a revision of.
+      is_positional: false
+      resource_spec: !REF googlecloudsdk.command_lib.saas_runtime.resources:flag
+      resource_method_params:
+        flagRevision.flag: '{__relative_name__}'
+      required: true
+      repeated: false
+
+    - arg_name: labels
+      api_field: flagRevision.labels
+      required: false
+      repeated: true
+      help_text: |-
+        Labels on the resource, which can be used for categorization.
+      spec:
+      - api_field: key
+      - api_field: value
+
+    - arg_name: annotations
+      api_field: flagRevision.annotations
+      required: false
+      repeated: true
+      help_text: |-
+        Annotations is an unstructured key-value map stored with a resource that
+        may be set by external tools to store and retrieve arbitrary metadata.
+        They are not queryable and should be preserved when modifying objects.
+      spec:
+      - api_field: key
+      - api_field: value
+
+  request:
+    api_version: v1beta1
+    collection:
+    - saasservicemgmt.projects.locations.flagRevisions

gcloud auth application-default login/google-cloud-sdk/lib/surface/saas_runtime/flags/revisions/delete.yaml

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+- release_tracks:
+  - ALPHA
+  hidden: true
+  help_text:
+    brief: Delete Flag Revision
+    description: Delete a Flag Revision
+    examples: |-
+      To delete a Flag Revision, run:
+
+          $ {command}
+  arguments:
+    params:
+    - help_text: |-
+        Flag Revision ID of the Flag Revision to delete.
+      is_positional: true
+      resource_spec: !REF googlecloudsdk.command_lib.saas_runtime.resources:flag_revision
+      required: true
+  request:
+    api_version: v1beta1
+    collection:
+    - saasservicemgmt.projects.locations.flagRevisions

gcloud auth application-default login/google-cloud-sdk/lib/surface/saas_runtime/flags/revisions/describe.yaml

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+- release_tracks:
+  - ALPHA
+  hidden: true
+  help_text:
+    brief: Describe Flag Revision
+    description: Describe a Flag Revision
+    examples: |-
+      To describe a Flag Revision, run:
+
+          $ {command}
+  arguments:
+    params:
+    - help_text: |-
+        Flag Revision ID of the Flag Revision to describe.
+      is_positional: true
+      resource_spec: !REF googlecloudsdk.command_lib.saas_runtime.resources:flag_revision
+      required: true
+  request:
+    api_version: v1beta1
+    collection:
+    - saasservicemgmt.projects.locations.flagRevisions

gcloud auth application-default login/google-cloud-sdk/lib/surface/saas_runtime/flags/revisions/list.yaml

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+- release_tracks:
+  - ALPHA
+  hidden: true
+  help_text:
+    brief: List Flags Revisions
+    description: List Flags Revisions
+    examples: |-
+      To list Flags Revisions, run:
+
+          $ {command}
+  arguments:
+    resource:
+      help_text: |-
+        Parent value for ListFlagRevisionsRequest
+      spec: !REF googlecloudsdk.command_lib.saas_runtime.resources:project_location_with_default
+  request:
+    api_version: v1beta1
+    collection:
+    - saasservicemgmt.projects.locations.flagRevisions
+  response:
+    id_field: name

gcloud auth application-default login/google-cloud-sdk/lib/surface/saas_runtime/flags/revisions/update.yaml

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+- release_tracks:
+  - ALPHA
+  hidden: true
+  help_text:
+    brief: Update Flag Revision
+    description: Update a Flag Revision.
+    examples: |-
+      To update Flag Revision, run:
+
+          $ {command}
+  arguments:
+    params:
+    - help_text: |-
+        Flag Revision ID. Google Cloud resource name (full URI of the resource) following the standard naming
+        scheme:
+
+          "projects/{project}/locations/{location}/flagRevisions/{flag_revision_id}"
+      is_positional: true
+      request_id_field: flagRevisionId
+      resource_spec: !REF googlecloudsdk.command_lib.saas_runtime.resources:flag_revision
+      required: true
+
+    - arg_name: labels
+      api_field: flagRevision.labels
+      clearable: true
+      required: false
+      repeated: true
+      help_text: |-
+        The labels on the resource, which can be used for categorization.
+      spec:
+      - api_field: key
+      - api_field: value
+
+    - arg_name: annotations
+      api_field: flagRevision.annotations
+      clearable: true
+      required: false
+      repeated: true
+      help_text: |-
+        Annotations is an unstructured key-value map stored with a resource that
+        may be set by external tools to store and retrieve arbitrary metadata.
+        They are not queryable and should be preserved when modifying objects.
+      spec:
+      - api_field: key
+      - api_field: value
+
+  request:
+    api_version: v1beta1
+    collection:
+    - saasservicemgmt.projects.locations.flagRevisions
+  update:
+    read_modify_update: true