/*! firebase-admin v9.12.0 */
/*!
 * Copyright 2020 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.
 */
import { app } from '../firebase-namespace-api';
/**
 * Gets the {@link instanceId.InstanceId `InstanceId`} service for the
 * default app or a given app.
 *
 * `admin.instanceId()` can be called with no arguments to access the default
 * app's {@link instanceId.InstanceId `InstanceId`} service or as
 * `admin.instanceId(app)` to access the
 * {@link instanceId.InstanceId `InstanceId`} service associated with a
 * specific app.
 *
 * @example
 * ```javascript
 * // Get the Instance ID service for the default app
 * var defaultInstanceId = admin.instanceId();
 * ```
 *
 * @example
 * ```javascript
 * // Get the Instance ID service for a given app
 * var otherInstanceId = admin.instanceId(otherApp);
 *```
 *
 * This API is deprecated. Developers are advised to use the `admin.installations()`
 * API to delete their instance IDs and Firebase installation IDs.
 *
 * @param app Optional app whose `InstanceId` service to
 *   return. If not provided, the default `InstanceId` service will be
 *   returned.
 *
 * @return The default `InstanceId` service if
 *   no app is provided or the `InstanceId` service associated with the
 *   provided app.
 *
 * @deprecated
 */
export declare function instanceId(app?: app.App): instanceId.InstanceId;
export declare namespace instanceId {
    /**
     * The {@link InstanceId `InstanceId`} service for the
     * current app.
     *
     * @deprecated
     */
    interface InstanceId {
        app: app.App;
        /**
         * Deletes the specified instance ID and the associated data from Firebase.
         *
         * Note that Google Analytics for Firebase uses its own form of Instance ID to
         * keep track of analytics data. Therefore deleting a Firebase Instance ID does
         * not delete Analytics data. See
         * [Delete an Instance ID](/support/privacy/manage-iids#delete_an_instance_id)
         * for more information.
         *
         * This API is deprecated. Developers are advised to use the `Installations.deleteInstallation()`
         * API instead.
         *
         * @param instanceId The instance ID to be deleted.
         *
         * @return A promise fulfilled when the instance ID is deleted.
         *
         * @deprecated
         */
        deleteInstanceId(instanceId: string): Promise<void>;
    }
}