/*! firebase-admin v10.0.0 */
/*!
 * 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.
 */
/**
 * Firebase Cloud Messaging (FCM).
 *
 * @packageDocumentation
 */
import { App } from '../app';
import { Messaging } from './messaging';
export { Messaging, } from './messaging';
export { AndroidConfig, AndroidFcmOptions, AndroidNotification, ApnsConfig, ApnsFcmOptions, ApnsPayload, Aps, ApsAlert, BaseMessage, BatchResponse, CriticalSound, ConditionMessage, FcmOptions, LightSettings, Message, MessagingTopicManagementResponse, MulticastMessage, Notification, SendResponse, TokenMessage, TopicMessage, WebpushConfig, WebpushFcmOptions, WebpushNotification, DataMessagePayload, MessagingConditionResponse, MessagingDeviceGroupResponse, MessagingDeviceResult, MessagingDevicesResponse, MessagingOptions, MessagingPayload, MessagingTopicResponse, NotificationMessagePayload, } from './messaging-api';
/**
 * Gets the {@link Messaging} service for the default app or a given app.
 *
 * `admin.messaging()` can be called with no arguments to access the default
 * app's `Messaging` service or as `admin.messaging(app)` to access the
 * `Messaging` service associated with aspecific app.
 *
 * @example
 * ```javascript
 * // Get the Messaging service for the default app
 * const defaultMessaging = getMessaging();
 * ```
 *
 * @example
 * ```javascript
 * // Get the Messaging service for a given app
 * const otherMessaging = getMessaging(otherApp);
 * ```
 *
 * @param app - Optional app whose `Messaging` service to
 *   return. If not provided, the default `Messaging` service will be returned.
 *
 * @returns The default `Messaging` service if no
 *   app is provided or the `Messaging` service associated with the provided
 *   app.
 */
export declare function getMessaging(app?: App): Messaging;