public function bootstrap(Application $app)
 {
     $appConfig = $app->make('config');
     if (!empty($appConfig['laravelfly.providers_in_request'])) {
         $ps = array_intersect($appConfig['app.providers'], $appConfig['laravelfly.providers_in_request']);
         if ($ps) {
             $app->prepareIfProvidersInRequest($ps);
             $appConfig['app.providers'] = array_diff($appConfig['app.providers'], $ps);
             if ($appConfig['app.debug']) {
                 echo PHP_EOL, 'Providers in request ( they are removed from config["app.providers"] )', PHP_EOL, __CLASS__, PHP_EOL;
                 var_dump($ps);
             }
         }
     }
 }