public static function get_styled_quotes( $style, Settings $settings ) {
		if ( isset( self::$styles[ $style ] ) ) {
			return new Simple_Quotes( self::$styles[ $style ][ self::_OPEN ], self::$styles[ $style ][ self::_CLOSE ] );
		}

		if ( self::DOUBLE_GUILLEMETS_FRENCH === $style ) {
			$space = $settings->no_break_narrow_space();

			return new Simple_Quotes( U::GUILLEMET_OPEN . $space, $space . U::GUILLEMET_CLOSE );
		}

		return null;
	}