/**
  * Constructor
  *
  * @param FormFactoryInterface           $factory
  * @param ProductFilterUtility           $util
  * @param UserContext                    $userContext
  * @param AttributeRepositoryInterface   $attributeRepository
  * @param ConfigurationRegistryInterface $registry
  */
 public function __construct(FormFactoryInterface $factory, ProductFilterUtility $util, UserContext $userContext, AttributeRepositoryInterface $attributeRepository, ConfigurationRegistryInterface $registry)
 {
     parent::__construct($factory, $util, $userContext, null, $attributeRepository);
     $this->registry = $registry;
 }