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