private function editionVersion()
    {
        $element = JsonListener::open(FEnvFcm::get("framework.config.core.config.file"));
        $date = new \DateTime($element->installation->date);
        $date = $date->format("Y-m-d H:i:s");
        $str = "iumio Framework ".$element->edition_fullname."\nVersion : ".
            $element->edition_version." build ".$element->edition_build."\nInstallation date : $date";
        Output::displayAsGreen($str);
    }