import { NgZone } from '@angular/core';
import { Observable } from 'rxjs';
export declare class FacebookService {
    private zone;
    constructor(zone: NgZone);
    login(permissions?: Array<any>): Observable<any>;
    showDialog(options?: Object): Observable<any>;
    api(path: string, permissions?: Array<any>): Observable<any>;
    getAccessToken(): Observable<any>;
    getLoginStatus(): Observable<any>;
    logout(): Observable<any>;
    logEvent(name: string, params?: Object, value?: number): Observable<any>;
    logPurchase(value: number, currency: string): Observable<any>;
    appInvite(options?: Object): Observable<any>;
    getDeferredApplink(): Observable<any>;
    activateApp(): Observable<any>;
}