<?php /* * Copyright 2019 Google LLC * * 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. */ namespace Google\Auth; /** * An interface implemented by objects that can get quota projects. */ interface GetQuotaProjectInterface { const X_GOOG_USER_PROJECT_HEADER = 'X-Goog-User-Project'; /** * Get the quota project used for this API request * * @return string|null */ public function getQuotaProject(); }