protected function getDocBlock(File $phpcsFile, $stackPtr, &$startToken = null, &$endToken = null)
    {
        // Fetches the full function docblock
        $startToken = $phpcsFile->findPrevious(T_DOC_COMMENT_OPEN_TAG, $stackPtr - 1);
        if ($startToken === false) {
            return '';
        }
        $endToken = $phpcsFile->findNext(T_DOC_COMMENT_CLOSE_TAG, $startToken);
        if ($endToken === false) {
            return '';
        }
        return $phpcsFile->getTokensAsString($startToken, ($endToken - $startToken));
    }