private function getCommentType($content)
    {
        if ('#' === $content[0]) {
            return self::TYPE_HASH;
        }

        if ('*' === $content[1]) {
            return self::TYPE_SLASH_ASTERISK;
        }

        return self::TYPE_DOUBLE_SLASH;
    }
private function getCommentType($content)
    {
        if ('#' === $content[0]) {
            return self::TYPE_HASH;
        }

        if ('*' === $content[1]) {
            return self::TYPE_SLASH_ASTERISK;
        }

        return self::TYPE_DOUBLE_SLASH;
    }
@param string $content

@return int