docs: public Observable<Integer> addSubListAsync(UUID appId, String versionId, UUID clEntityId, WordListObject wordListCreateObject) {
          return addSubListWithServiceResponseAsync(appId, versionId, clEntityId, wordListCreateObject).map(new Func1<ServiceResponse<Integer>, Integer>() {
              @Override
              public Integer call(ServiceResponse<Integer> response) {
                  return response.body();
              }
          });
      }