declare const DEFAULT_SCHEDULE_RUN_EXPRESSION = "* * * * *";
declare const OS_CRON_JOB_TITLE = "getstrata-schedule-run";
interface InProcessCronJob {
    readonly cron: string;
    stop(): InProcessCronJob;
    ref(): InProcessCronJob;
    unref(): InProcessCronJob;
}
declare function parseScheduleExpression(expression: string, from?: Date): Date | null;
declare function isScheduleExpressionDue(expression: string, now?: Date): boolean;
declare function assertScheduleExpression(expression: string): void;
declare function registerInProcessScheduleRunner(run: () => void | Promise<void>, expression?: string): InProcessCronJob;
declare function installOsScheduleRunner(workerScriptPath: string, expression?: string, title?: string): Promise<void>;
declare function uninstallOsScheduleRunner(title?: string): Promise<void>;
export type { InProcessCronJob };
export { assertScheduleExpression, DEFAULT_SCHEDULE_RUN_EXPRESSION, installOsScheduleRunner, isScheduleExpressionDue, OS_CRON_JOB_TITLE, parseScheduleExpression, registerInProcessScheduleRunner, uninstallOsScheduleRunner, };