code: 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();
              }
          });
      }
docs: Gets information about the prebuilt entity models.
  
  @param appId The application ID.
  @param versionId The version ID.
  @param listPrebuiltsOptionalParameter the object representing the optional parameters to be set before calling this API
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the List&lt;PrebuiltEntityExtractor&gt; object