docs: public Observable<SummarizeResultsInner> summarizeForResourceGroupAsync(String subscriptionId, String resourceGroupName) {
          return summarizeForResourceGroupWithServiceResponseAsync(subscriptionId, resourceGroupName).map(new Func1<ServiceResponse<SummarizeResultsInner>, SummarizeResultsInner>() {
              @Override
              public SummarizeResultsInner call(ServiceResponse<SummarizeResultsInner> response) {
                  return response.body();
              }
          });
      }