import { Observable } from 'rxjs';
import { OnDestroy } from '@angular/core';
import { NowModel } from "../_models/now.model";
import * as i0 from "@angular/core";
export declare class NowService implements OnDestroy {
    private now;
    private curM$;
    private curQ$;
    private curH$;
    private onDestroy$;
    private stop$;
    constructor();
    private static calcHQM;
    ngOnDestroy(): void;
    private startCounting;
    private stopCounting;
    private checkNow;
    onNewMinute(): Observable<NowModel>;
    onNewQuarterHour(): Observable<NowModel>;
    onNewHour(): Observable<NowModel>;
    static ɵfac: i0.ɵɵFactoryDeclaration<NowService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NowService>;
}