type CronAllowed = Readonly<{
    any: true;
}> | Readonly<{
    any: false;
    values: ReadonlySet<number>;
}>;
export type CronSpec = Readonly<{
    minute: CronAllowed;
    hour: CronAllowed;
    dayOfMonth: CronAllowed;
    month: CronAllowed;
    dayOfWeek: CronAllowed;
}>;
export declare const Cron: Readonly<{
    parse(expr: string): CronSpec;
    nextRunAtMs(nowMs: number, expr: string, timeZone?: string): number;
}>;
export default Cron;
//# sourceMappingURL=Cron.d.ts.map