public static function getServerDirectoryKeysToBeCreated()
    {
        return array(
            DirectoryKeys::TMP,
            DirectoryKeys::DEPLOY,
            DirectoryKeys::WEBAPPS,
            DirectoryKeys::VAR_TMP,
            DirectoryKeys::VAR_LOG,
            DirectoryKeys::VAR_RUN,
            DirectoryKeys::ETC,
            DirectoryKeys::ETC_APPSERVER,
            DirectoryKeys::ETC_APPSERVER_CONFD
        );
    }