public function next($docCommentIsComment = TRUE)
    {
        for ($i = $this->pointer; $i < $this->numTokens; $i++) {
            $this->pointer++;
            if ($this->tokens[$i][0] === T_WHITESPACE ||
                $this->tokens[$i][0] === T_COMMENT ||
                ($docCommentIsComment && $this->tokens[$i][0] === T_DOC_COMMENT)) {

                continue;
            }

            return $this->tokens[$i];
        }

        return null;
    }