import { Observable, Subject } from 'rxjs';
export declare class BnNgIdleService {
    private idle$;
    private timer$;
    private timeOutMilliSeconds;
    private idleSubscription;
    expired$: Subject<boolean>;
    constructor();
    startWatching(timeOutSeconds: any): Observable<any>;
    private startTimer;
    resetTimer(): void;
    stopTimer(): void;
}