-
-       /**
-        * TODO: define this function to limit subscribed services ???
-        * XXX: see vendor/symfony/framework-bundle/Controller/AbstractController.php
-        *
-       public static function getSubscribedServices() {
-               //TODO: add asset.package ?
-        return [
-            'router' => '?'.RouterInterface::class,
-            'request_stack' => '?'.RequestStack::class,
-            'http_kernel' => '?'.HttpKernelInterface::class,
-            'serializer' => '?'.SerializerInterface::class,
-            'session' => '?'.SessionInterface::class,
-            'security.authorization_checker' => '?'.AuthorizationCheckerInterface::class,
-            'templating' => '?'.EngineInterface::class,
-            'twig' => '?'.Environment::class,
-            'doctrine' => '?'.ManagerRegistry::class,
-            'form.factory' => '?'.FormFactoryInterface::class,
-            'security.token_storage' => '?'.TokenStorageInterface::class,
-            'security.csrf.token_manager' => '?'.CsrfTokenManagerInterface::class,
-            'parameter_bag' => '?'.ContainerBagInterface::class,
-            'message_bus' => '?'.MessageBusInterface::class,
-            'messenger.default_bus' => '?'.MessageBusInterface::class,
-        ];
-       }*/