/**
 * @license
 * Copyright 2020 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.
 */
import { FirebaseApp } from '@firebase/app';
/**
 * Public interface of the Firebase Installations SDK.
 *
 * @public
 */
export interface Installations {
    /**
     * The {@link @firebase/app#FirebaseApp} this `Installations` instance is associated with.
     */
    app: FirebaseApp;
}
/**
 * An interface for Firebase internal SDKs use only.
 *
 * @internal
 */
export interface _FirebaseInstallationsInternal {
    /**
     * Creates a Firebase Installation if there isn't one for the app and
     * returns the Installation ID.
     */
    getId(): Promise<string>;
    /**
     * Returns an Authentication Token for the current Firebase Installation.
     */
    getToken(forceRefresh?: boolean): Promise<string>;
}
declare module '@firebase/component' {
    interface NameServiceMapping {
        'installations': Installations;
        'installations-internal': _FirebaseInstallationsInternal;
    }
}