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