docs: public Observable<NamespaceResourceInner> patchAsync(String resourceGroupName, String namespaceName, NamespacePatchParameters parameters) {
          return patchWithServiceResponseAsync(resourceGroupName, namespaceName, parameters).map(new Func1<ServiceResponse<NamespaceResourceInner>, NamespaceResourceInner>() {
              @Override
              public NamespaceResourceInner call(ServiceResponse<NamespaceResourceInner> response) {
                  return response.body();
              }
          });
      }