import { AnyPlainDate } from '../../utils/plainDate';
/**
 * internal hook used by useDatePicker hook to return the week days numbers in a calendar
 *
 * @param day any date within the month to display
 * @returns an array of array of days (each top-level array is a week)
 */
export declare const useCalendarWeekDays: (day: AnyPlainDate) => AnyPlainDate[][];