protected function addError(File $phpcsFile, $stackPtr, $content, $data)
    {
        $error     = "Function name, class name, namespace name or constant name can not be reserved keyword '%s' (since version %s)";
        $errorCode = $this->stringToErrorCode($content) . 'Found';
        $phpcsFile->addError($error, $stackPtr, $errorCode, $data);
    }