import { ValueListener } from "./interfaces";
import { EventSource } from "../eventSite/eventSource";
import { Observable } from "rxjs/Observable";
import 'rxjs/add/operator/map';
export declare const observeAskingAttendingRsvpQuestion: (eventDataSource: any, listener: ValueListener<boolean>) => void;
export declare const observeAskingAttendingRsvpQuestion$: (eventSource: EventSource) => Observable<boolean>;