type ScheduledTask = {
    expression: string;
    name: string;
    run: () => void | Promise<void>;
};
declare class Schedule {
    private readonly tasks;
    command(expression: string, name: string, run: () => void | Promise<void>): this;
    dueTasks(now?: Date): ScheduledTask[];
    tasksList(): ScheduledTask[];
}
declare const appSchedule: Schedule;
declare function runDueScheduledTasks(schedule?: Schedule, now?: Date): Promise<number>;
export type { ScheduledTask };
export { appSchedule, runDueScheduledTasks, Schedule };