import { ActivityTimeDto } from "./types";
/**
 * Validates the schedule by checking for overlapping activity times.
 *
 * @param activityTimes - An array of activity times to validate.
 * @param breakOnFirst - A boolean indicating whether to break on the first error.
 * @returns A boolean indicating whether the schedule is valid or not.
 */
export declare function validateSchedule<T extends ActivityTimeDto>(activityTimes: T[], breakOnFirst?: boolean): T[];