static JLabel setImage(final BufferedImage img, final JLabel lbl) {
  if (lbl != null) swing { lbl.setIcon(imageIcon(img)); }
  ret lbl;
}

static JLabel setImage(JLabel lbl, BufferedImage img) {
  ret setImage(img, lbl);
}

static JLabel setImage(final S imageID, final JLabel lbl) {
  if (lbl != null) swing { lbl.setIcon(imageIcon(imageID)); }
  ret lbl;
}

static JLabel setImage(JLabel lbl, S imageID) {
  ret setImage(imageID, lbl);
}

ifclass ImageSurface
static <A extends ImageSurface> A setImage(A is, BufferedImage img) {
  is?.setImage(img);
  ret is;
}
endif

Began life as a copy of #1007468