protected function pScalar_String(String_ $node): string
    {
        $kind = $node->getAttribute('kind', String_::KIND_SINGLE_QUOTED);
        if ($kind === String_::KIND_DOUBLE_QUOTED && $node->getAttribute('is_regular_pattern')) {
            return '"' . $node->value . '"';
        }

        return parent::pScalar_String($node);
    }