1<?php
2/*
3 * Copyright 2019 Google LLC
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *     http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18namespace Google\Auth;
19
20/**
21 * An interface implemented by objects that can get quota projects.
22 */
23interface GetQuotaProjectInterface
24{
25    const X_GOOG_USER_PROJECT_HEADER = 'X-Goog-User-Project';
26
27    /**
28     * Get the quota project used for this API request
29     *
30     * @return string|null
31     */
32    public function getQuotaProject();
33}
34