import { FirebaseApp } from 'firebase/app';
import { Messaging } from 'firebase/messaging';
export declare const defaultConfig: {
    apiKey: any;
    authDomain: any;
    projectId: any;
    storageBucket: any;
    messagingSenderId: any;
    appId: any;
};
export declare const getFirebaseMessaging: (customConfig?: any) => Messaging | null;
export declare const app: FirebaseApp;
export declare const messaging: Messaging;
