code: public List<Image> getUntaggedImages(UUID projectId, GetUntaggedImagesOptionalParameter getUntaggedImagesOptionalParameter) {
          return getUntaggedImagesWithServiceResponseAsync(projectId, getUntaggedImagesOptionalParameter).toBlocking().single().body();
      }
docs: Get untagged images for a given project iteration.
  This API supports batching and range selection. By default it will only return first 50 images matching images.
  Use the {take} and {skip} parameters to control how many images to return in a given batch.
  
  @param projectId The project id
  @param getUntaggedImagesOptionalParameter the object representing the optional parameters to be set before calling this API
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the List&lt;Image&gt; object if successful.