docs: public Observable<RegistryInner> createOrUpdateAsync(String resourceGroupName, String registryName, RegistryInner registry) {
          return createOrUpdateWithServiceResponseAsync(resourceGroupName, registryName, registry).map(new Func1<ServiceResponse<RegistryInner>, RegistryInner>() {
              @Override
              public RegistryInner call(ServiceResponse<RegistryInner> response) {
                  return response.body();
              }
          });
      }