docs: public Observable<List<PrebuiltEntityExtractor>> listPrebuiltsAsync(UUID appId, String versionId, ListPrebuiltsOptionalParameter listPrebuiltsOptionalParameter) {
          return listPrebuiltsWithServiceResponseAsync(appId, versionId, listPrebuiltsOptionalParameter).map(new Func1<ServiceResponse<List<PrebuiltEntityExtractor>>, List<PrebuiltEntityExtractor>>() {
              @Override
              public List<PrebuiltEntityExtractor> call(ServiceResponse<List<PrebuiltEntityExtractor>> response) {
                  return response.body();
              }
          });
      }