code: public Observable<OperationListResultInner> listAsync() {
          return listWithServiceResponseAsync().map(new Func1<ServiceResponse<OperationListResultInner>, OperationListResultInner>() {
              @Override
              public OperationListResultInner call(ServiceResponse<OperationListResultInner> response) {
                  return response.body();
              }
          });
      }
docs: Lists all of the available REST API operations.
  
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the OperationListResultInner object