export interface ScheduleEntry {
    /** Unique ID for this job. */
    id: string;
    /** Standard 5-field cron expression or ISO 8601 timestamp for one-shot. */
    schedule: string;
    /** Called when the schedule fires. */
    callback: () => void | Promise<void>;
}
export interface ScheduleHandle {
    id: string;
}
export interface ScheduleDriver {
    /** Schedule a callback to fire on a cron expression or at a specific time. */
    schedule(entry: ScheduleEntry): ScheduleHandle;
    /** Cancel a previously scheduled entry. */
    cancel(handle: ScheduleHandle): void;
    /** Tear down all scheduled work. */
    dispose(): void;
}