import { CronosExpression } from "./expression";
import { CronosTask, refreshSchedulerTimer } from "./scheduler";
import { CronosTimezone } from "./date";
export declare function scheduleTask(cronString: string, task: (timestamp: number) => void, options?: Parameters<typeof CronosExpression.parse>[1]): CronosTask;
export declare function validate(cronString: string, options?: {
    strict: NonNullable<Parameters<typeof CronosExpression.parse>[1]>["strict"];
}): boolean;
export { CronosExpression, CronosTask, CronosTimezone, refreshSchedulerTimer };