import { AngularFireAuth } from '@angular/fire/auth';
import { Observable } from 'rxjs';
import * as _firebase from 'firebase/app';
import 'firebase/auth';
export declare type loginType = 'phonenumber' | 'github';
export declare class AuthService {
    private fbAuth;
    windowRef: any;
    _idTokenResult: firebase.auth.IdTokenResult;
    user: Observable<_firebase.User>;
    idTokenResult: Observable<_firebase.auth.IdTokenResult>;
    private signedIn;
    constructor(fbAuth: AngularFireAuth);
    readonly uid: string;
    readonly as: string;
    readonly tags: string[];
    readonly currentUser: firebase.User;
    getIdTokenResult(): Promise<firebase.auth.IdTokenResult>;
    upgradeToken(survey_id: string, as?: string, tags?: string[]): Observable<firebase.auth.IdTokenResult>;
    signInWithCustomToken(token: string): Observable<firebase.auth.IdTokenResult>;
    logout(): Promise<void>;
    getSurveyScope(scopeType: 'reply' | 'replies' | 'compose' | 'view'): boolean | string;
}