import schedule from 'node-schedule';
import { Model, Subscription } from '@5minds/processcube_engine_sdk';
export type TimerSubscription = Subscription & {
    job: schedule.Job;
};
export declare class TimerFacade {
    private readonly logger;
    constructor();
    initializeTimer(flowNodeId: string, timerType: Model.Events.TimerType, timerValue: string, timerCallback: Function, flowNode?: Model.Events.TimerEvent, timerStartedDate?: Date): TimerSubscription;
    startCycleTimer(timerValue: string, timerCallback: Function, timerExpiredEventName: string, flowNode?: Model.Events.TimerEvent): TimerSubscription;
    startDateTimer(timerValue: string, timerCallback: Function, timerExpiredEventName: string): TimerSubscription;
    startDurationTimer(timerValue: string, timerCallback: Function, timerExpiredEventName: string, timerStartedDate?: Date): TimerSubscription;
    cancelTimerSubscription(subscription: TimerSubscription): void;
    private validateDateTimer;
    private validateDurationTimer;
    private validateCyclicTimer;
    private createTimer;
}