<?php

/**
 * Copyright 2022 Google Inc.
 *
 * 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\Cloud\Core;

use Google\ApiCore\CredentialsWrapper;

/**
 * For connect to emulator.
 */
class InsecureCredentialsWrapper extends CredentialsWrapper
{
    public function __construct()
    {
    }

    public function getAuthorizationHeaderCallback($audience = null)
    {
        return null;
    }
}