protected function formHandlerFactory(
                $scope,
        Request $request = null,
                $method,
                $angularDirectives
    ) {
        /* @var Doozr_Form_Service_Handler_FormHandler $formHandler */
        return self::$registry->getContainer()->build(
            'doozr.form.service.handler.formhandler',
            [
                $scope,
                $request,
                $method,
                $angularDirectives,
            ]
        );
    }