code: public Observable<ImageCreateSummary> createImagesFromPredictionsAsync(UUID projectId, ImageIdCreateBatch batch) {
          return createImagesFromPredictionsWithServiceResponseAsync(projectId, batch).map(new Func1<ServiceResponse<ImageCreateSummary>, ImageCreateSummary>() {
              @Override
              public ImageCreateSummary call(ServiceResponse<ImageCreateSummary> response) {
                  return response.body();
              }
          });
      }
docs: Add the specified predicted images to the set of training images.
  This API creates a batch of images from predicted images specified. There is a limit of 64 images and 20 tags.
  
  @param projectId The project id
  @param batch Image and tag ids. Limted to 64 images and 20 tags per batch
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the ImageCreateSummary object