import { Subject } from "rxjs";
import * as i0 from "@angular/core";
export declare class TimerService {
    seconds: number;
    private _count;
    get count(): number;
    private _left;
    get left(): number;
    expireDate: Date | null;
    private subscription;
    tick: Subject<number>;
    completed: Subject<any>;
    startHour(hours: number, minutes: number, seconds: number): void;
    startMinute(minutes: number, seconds: number): void;
    start(seconds: number): void;
    clear(): void;
    internalTick(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<TimerService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<TimerService>;
}