docs: public Observable<List<AvailablePrebuiltEntityModel>> listPrebuiltEntitiesAsync(UUID appId, String versionId) {
          return listPrebuiltEntitiesWithServiceResponseAsync(appId, versionId).map(new Func1<ServiceResponse<List<AvailablePrebuiltEntityModel>>, List<AvailablePrebuiltEntityModel>>() {
              @Override
              public List<AvailablePrebuiltEntityModel> call(ServiceResponse<List<AvailablePrebuiltEntityModel>> response) {
                  return response.body();
              }
          });
      }