code: public static void main(final String[] args) {
  
          List<Image> images = describeAllImages();
  
          if (null != images) {
              for (Image image : images) {
                  System.out.println(image.getImageId());
              }
          }
  
      }
docs: Main method for command line use.
  
  @param args
  parameters from command line (no need here)