docs: public Observable<List<OperationInner>> listAsync() {
          return listWithServiceResponseAsync().map(new Func1<ServiceResponse<List<OperationInner>>, List<OperationInner>>() {
              @Override
              public List<OperationInner> call(ServiceResponse<List<OperationInner>> response) {
                  return response.body();
              }
          });
      }