code: public Observable<ImageCreateSummary> createImagesFromDataAsync(UUID projectId, byte[] imageData, CreateImagesFromDataOptionalParameter createImagesFromDataOptionalParameter) {
          return createImagesFromDataWithServiceResponseAsync(projectId, imageData, createImagesFromDataOptionalParameter).map(new Func1<ServiceResponse<ImageCreateSummary>, ImageCreateSummary>() {
              @Override
              public ImageCreateSummary call(ServiceResponse<ImageCreateSummary> response) {
                  return response.body();
              }
          });
      }
docs: Add the provided images to the set of training images.
  This API accepts body content as multipart/form-data and application/octet-stream. When using multipart
  multiple image files can be sent at once, with a maximum of 64 files.
  
  @param projectId The project id
  @param imageData the InputStream value
  @param createImagesFromDataOptionalParameter 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 ImageCreateSummary object