code: 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();
              }
          });
      }
docs: Lists all of the available Storage Rest API operations.
  
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the List&lt;OperationInner&gt; object