/**
 * @license
 * Copyright 2017 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.
 */
/**
 * @fileoverview Firebase constants.  Some of these (@defines) can be overridden at compile-time.
 */
export declare const CONSTANTS: {
    /**
     * @define {boolean} Whether this is the client Node.js SDK.
     */
    NODE_CLIENT: boolean;
    /**
     * @define {boolean} Whether this is the Admin Node.js SDK.
     */
    NODE_ADMIN: boolean;
    /**
     * Firebase SDK Version
     */
    SDK_VERSION: string;
};