dubbo javaconfig方式访问

ReferenceConfig<ITestService> referenceConfig = new ReferenceConfig<ITestService>();
            referenceConfig.setApplication(new ApplicationConfig("dubbo-reference"));
            referenceConfig.setInterface(interfaceName);
            referenceConfig.setUrl("dubbo://"+dubboUrl);
            referenceConfig.setAsync(false);
            referenceConfig.setTimeout(Integer.parseInt(timeOut));
            privacyProtectionService = referenceConfig.get();