public function createStandaloneConfiguration() : bool
    {
        $retval = false;

        if ($this->apache_config_path) {
            $file = new CApacheStandaloneFile($this, $this->nb_server, $this->nb_site);
            $file->create();
            $file->exportToFile($this->apache_config_path . DIRECTORY_SEPARATOR . self::APACHE_CONFIG_FILENAME);
            $retval = true;
        }

        return $retval;
    }