import { MessageBus } from '@tangential/core';
import { FirebaseProvider } from '@tangential/firebase-util';
import { Observable } from 'rxjs';
import { AuthSettingsService } from './settings-service';
import { AuthSettings } from '../../media-type/cdm/auth-settings';
import * as i0 from "@angular/core";
export declare class FirebaseAuthSettingsService extends AuthSettingsService {
    private fb;
    private auth;
    private db;
    private authSettingsObserver;
    constructor(bus: MessageBus, fb: FirebaseProvider);
    private init;
    authSettings$(): Observable<AuthSettings>;
    static ɵfac: i0.ɵɵFactoryDeclaration<FirebaseAuthSettingsService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<FirebaseAuthSettingsService>;
}