/**
 * Copyright 2018 Google LLC. All Rights Reserved.
 *
 * 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.
 */
export declare enum GCPEnv {
    APP_ENGINE = "APP_ENGINE",
    KUBERNETES_ENGINE = "KUBERNETES_ENGINE",
    CLOUD_FUNCTIONS = "CLOUD_FUNCTIONS",
    COMPUTE_ENGINE = "COMPUTE_ENGINE",
    NONE = "NONE"
}
export declare function clear(): void;
export declare function getEnv(): Promise<GCPEnv>;