export type JitterConfig = {
    recurringFrac: number;
    recurringCapMs: number;
    oneShotMaxMs: number;
    oneShotFloorMs: number;
    oneShotMinuteMod: number;
    recurringMaxAgeMs: number;
    cacheLeadMs: number;
};
export declare const DEFAULT_JITTER: JitterConfig;
export declare const jitteredNextCronRunMs: (cron: string, fromMs: number, taskId: string, cfg?: JitterConfig) => number | null;
export declare const oneShotJitteredNextCronRunMs: (cron: string, createdAtMs: number, taskId: string, cfg?: JitterConfig) => number | null;