public function newApp() : ApplicationInterface
    {
        $app = new CalgamoApplication($this->filesystem);
        $app->requireModule(CalgamoLogExceptionHandlerModule::class);
        $app->requireModule(CalgamoRouterModule::class);
        $app->requireModule(CalgamoDiModule::class);
        $app->requireModule(Wa72SimpleLoggerModule::class);
        return $app;
    }