@schoolbelle/common/timer/lib/timer.service.d.ts

/**
 *
 * browser's default setTimeout is not reliable when
 * 1. tabs are inactive (Chrome verified)
 * 2. os goes to sleep
 *
 * this service ATTEMPS to negate these situations.
 *
 */
import { NgZone } from '@angular/core';
import { Observable } from 'rxjs';
export declare class TimerService {
    private zone;
    private tickEvent;
    constructor(zone: NgZone);
    /**
     * this function return observable that tries to stream time left at every second until it passes zero.
     */
    setTimeout(timeDiff: number): Observable<number>;
}