import { EventEmitter } from '@angular/core';
import { Observable } from 'rxjs';
export declare class CountdownTimerService {
    onTimerStatusChange: EventEmitter<any>;
    timerValue: {
        seconds: string;
        mins: string;
        hours: string;
    };
    isTimerStart: boolean;
    interval: Observable<any>;
    intervalSubscription: any;
    totalSeconds: number;
    currentOperationId: number;
    constructor();
    startTimer: (startTime: any) => boolean;
    pauseTimer: (startTime?: any, endTime?: any) => boolean;
    stopTimer: () => void;
    resumeTimer: () => void;
    getTimerValue: () => Observable<any>;
    setTimervalue: (val: any) => string;
}