public static function isSupportedShell()
        {
            if (isset($_ENV['TERM'])) {
                if (isset(self::$_supportedShells[$_ENV['TERM']])) {
                    return true;
                }
            } elseif (isset($_SERVER['TERM'])) {
                if (isset(self::$_supportedShells[$_SERVER['TERM']])) {
                    return true;
                }
            } elseif (isset($_SERVER['ConEmuANSI']) && $_SERVER['ConEmuANSI'] == 'ON') {
                return true;
            }

            return isAke($_SERVER, 'CLI', false);
        }