public function epilog($text = null)
    {
        deprecationWarning(
            'ConsoleOptionParser::epliog() is deprecated. ' .
            'Use ConsoleOptionParser::setEpilog()/getEpilog() instead.'
        );
        if ($text !== null) {
            return $this->setEpilog($text);
        }

        return $this->getEpilog();
    }