import { FirebaseApp } from '@firebase/app'; import { NextFn , Observer , Unsubscribe } from '@firebase/util'; /** * Enables or disables Firebase Cloud Messaging message delivery metrics export to BigQuery. By * default, message delivery metrics are not exported to BigQuery. Use this method to enable or * disable the export at runtime. * * @param messaging - The `FirebaseMessaging` instance. * @param enable - Whether Firebase Cloud Messaging should export message delivery metrics to * BigQuery. * * @public */ export declare function experimentalSetDeliveryMetricsExportedToBigQueryEnabled(messaging: Messaging, enable: boolean): void; /** * Options for features provided by the FCM SDK for Web. See {@link * https://firebase.google.com/docs/reference/fcm/rest/v1/projects.messages#webpushfcmoptions | * WebpushFcmOptions} * * @public */ export declare interface FcmOptions { /** * The link to open when the user clicks on the notification. */ link?: string; /** * The label associated with the message's analytics data. */ analyticsLabel?: string; } /* Excluded from this release type: _FirebaseMessagingName */ /** * Retrieves a Firebase Cloud Messaging instance. * * @returns The Firebase Cloud Messaging instance associated with the provided firebase app. * * @public */ export declare function getMessaging(app?: FirebaseApp): Messaging; /** * Options for {@link getToken} * * @public */ export declare interface GetTokenOptions { /** * The public server key provided to push services. It is used to * authenticate the push subscribers to receive push messages only from sending servers that hold * the corresponding private key. If it is not provided, a default VAPID key is used. Note that some * push services (Chrome Push Service) require a non-default VAPID key. Therefore, it is recommended * to generate and import a VAPID key for your project with * {@link https://firebase.google.com/docs/cloud-messaging/js/client#configure_web_credentials_with_fcm | Configure Web Credentials with FCM}. * See * {@link https://developers.google.com/web/fundamentals/push-notifications/web-push-protocol | The Web Push Protocol} * for details on web push services. */ vapidKey?: string; /** * The service worker registration for receiving push * messaging. If the registration is not provided explicitly, you need to have a * `firebase-messaging-sw.js` at your root location. See * {@link https://firebase.google.com/docs/cloud-messaging/js/client#retrieve-the-current-registration-token | Retrieve the current registration token} * for more details. */ serviceWorkerRegistration?: ServiceWorkerRegistration; } /** * Checks whether all required APIs exist within SW Context * @returns a Promise that resolves to a boolean. * * @public */ export declare function isSupported(): Promise; /** * Message payload that contains the notification payload that is represented with * {@link NotificationPayload} and the data payload that contains an arbitrary * number of key-value pairs sent by developers through the * {@link https://firebase.google.com/docs/reference/fcm/rest/v1/projects.messages#notification | Send API} * * @public */ export declare interface MessagePayload { /** * {@inheritdoc NotificationPayload} */ notification?: NotificationPayload; /** * Arbitrary key/value payload. */ data?: { [key: string]: string; }; /** * {@inheritdoc FcmOptions} */ fcmOptions?: FcmOptions; /** * The sender of this message. */ from: string; /** * The collapse key of the message. See * {@link https://firebase.google.com/docs/cloud-messaging/concept-options#collapsible_and_non-collapsible_messages | Non-collapsible and collapsible messages} */ collapseKey: string; /** * The message id of a message. */ messageId: string; } /** * Public interface of the Firebase Cloud Messaging SDK. * * @public */ export declare interface Messaging { /** * The {@link @firebase/app#FirebaseApp} this `Messaging` instance is associated with. */ app: FirebaseApp; } export { NextFn }; /** * Display notification details. They are sent through the * {@link https://firebase.google.com/docs/reference/fcm/rest/v1/projects.messages#notification | Send API} * * @public */ export declare interface NotificationPayload { /** * The notification's title. */ title?: string; /** * The notification's body text. */ body?: string; /** * The URL of an image that is downloaded on the device and displayed in the notification. */ image?: string; /** * The URL to use for the notification's icon. If you don't send this key in the request, * FCM displays the launcher icon specified in your app manifest. */ icon?: string; } export { Observer }; /** * Called when a message is received while the app is in the background. An app is considered to be * in the background if no active window is displayed. * * @param messaging - The {@link Messaging} instance. * @param nextOrObserver - This function, or observer object with `next` defined, is called when a * message is received and the app is currently in the background. * * @returns To stop listening for messages execute this returned function * * @public */ export declare function onBackgroundMessage(messaging: Messaging, nextOrObserver: NextFn | Observer): Unsubscribe; export { Unsubscribe }; export {};