docs: public Observable<List<ClosedListEntityExtractor>> listClosedListsAsync(UUID appId, String versionId, ListClosedListsOptionalParameter listClosedListsOptionalParameter) {
          return listClosedListsWithServiceResponseAsync(appId, versionId, listClosedListsOptionalParameter).map(new Func1<ServiceResponse<List<ClosedListEntityExtractor>>, List<ClosedListEntityExtractor>>() {
              @Override
              public List<ClosedListEntityExtractor> call(ServiceResponse<List<ClosedListEntityExtractor>> response) {
                  return response.body();
              }
          });
      }