public static function get_datepicker_format_index() {
			/**
			 * Filter the datepickerFormat index.
			 *
			 * @since 4.11.0.1
			 *
			 * @param int $format_index Index of datepickerFormat.
			 */
			return apply_filters( 'tribe_datepicker_format_index', tribe_get_option( 'datepickerFormat', static::$default_datepicker_format_index ) );
		}