import { DelayFn, DelayedTaskOps, ITask, Subscription, TaskRescheduleOps } from "../../interfaces";
export declare class DelayedTask implements ITask {
    protected options: DelayedTaskOps;
    protected delayFn: DelayFn;
    id: string;
    isCron: boolean;
    isRunning: boolean;
    isCancelled: boolean;
    protected _lastRun: Date;
    protected subscription: Subscription;
    constructor(options: DelayedTaskOps, delayFn?: DelayFn);
    protected _start(): void;
    cancel(): Promise<void>;
    reschedule(options: TaskRescheduleOps): Promise<void>;
    start(): Promise<void>;
    lastRun(): Promise<Date>;
    nextRun(): Promise<Date>;
}