Required. The parent resource whose buckets are to be listed: "projects/[PROJECT_ID]/locations/[LOCATION_ID]" "organizations/[ORGANIZATION_ID]/locations/[LOCATION_ID]" "billingAccounts/[BILLING_ACCOUNT_ID]/locations/[LOCATION_ID]" "folders/[FOLDER_ID]/locations/[LOCATION_ID]" Note: The locations portion of the resource must be specified, but supplying the character - in place of LOCATION_ID will return all buckets.

Optional. The maximum number of results to return from this request. Non-positive values are ignored. The presence of nextPageToken in the response indicates that more results might be available.

Optional. If present, then retrieve the next batch of results from the preceding call to this method. pageToken must be the value of nextPageToken from the previous response. The values of other method parameters should be identical to those in the previous call.