declare enum Weekday {
	/**
	 * Friday.
	 */
	FRIDAY = "FRIDAY",
	/**
	 * Monday.
	 */
	MONDAY = "MONDAY",
	/**
	 * Saturday.
	 */
	SATURDAY = "SATURDAY",
	/**
	 * Sunday.
	 */
	SUNDAY = "SUNDAY",
	/**
	 * Thursday.
	 */
	THURSDAY = "THURSDAY",
	/**
	 * Tuesday.
	 */
	TUESDAY = "TUESDAY",
	/**
	 * Wednesday.
	 */
	WEDNESDAY = "WEDNESDAY",
}