docs: public Observable<Void> publishAsync(String resourceGroupName, String automationAccountName, String runbookName) {
          return publishWithServiceResponseAsync(resourceGroupName, automationAccountName, runbookName).map(new Func1<ServiceResponseWithHeaders<Void, RunbookDraftPublishHeaders>, Void>() {
              @Override
              public Void call(ServiceResponseWithHeaders<Void, RunbookDraftPublishHeaders> response) {
                  return response.body();
              }
          });
      }