import { ITimeWheel, TaskCallback } from '../types';
export interface CronExpression {
    second?: string;
    minute?: string;
    hour?: string;
    dayOfMonth?: string;
    month?: string;
    dayOfWeek?: string;
}
export interface CronTaskHandle {
    taskId: string;
    nextExecution: Date;
    cancel: () => void;
}
export declare class CronAdapter {
    private timeWheel;
    private handles;
    constructor(timeWheel: ITimeWheel);
    schedule<T>(expression: string | CronExpression, callback: TaskCallback<T>): CronTaskHandle;
    private reschedule;
    private parseExpression;
    private calculateNextRun;
    private parseField;
    cancelAll(): void;
    getScheduledTasks(): CronTaskHandle[];
}
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