private void populateRegisteredUnscramblerList() {
    for (UnscrambleSupport unscrambleSupport : UnscrambleSupport.EP_NAME.getExtensionList()) {
      myUnscrambleChooser.addItem(unscrambleSupport);
    }
    myUnscrambleChooser.setRenderer(SimpleListCellRenderer.create(
      JavaBundle.message("unscramble.no.unscrambler.item"), UnscrambleSupport::getPresentableName));
  }
private void populateRegisteredUnscramblerList()