См. также:
https://cloud.google.com/storage/docs/json_api/v1/bucketAccessControls/get BucketAccessControls get API
documentation.
См. также:
https://cloud.google.com/storage/docs/json_api/v1/defaultObjectAccessControls/get DefaultObjectAccessControls get API documentation.
См. также:
https://cloud.google.com/storage/docs/json_api/v1/objectAccessControls/get ObjectAccessControls get API
documentation.