@Override
      public void actionPerformed(ActionEvent e) {
        JCheckBox toCheck = null;
        if (!myWatchAccessCheckBox.isSelected() && !myWatchModificationCheckBox.isSelected()) {
          Object source = e.getSource();
          if (myWatchAccessCheckBox.equals(source)) {
            toCheck = myWatchModificationCheckBox;
          }
          else if (myWatchModificationCheckBox.equals(source)) {
            toCheck = myWatchAccessCheckBox;
          }
          if (toCheck != null) {
            toCheck.setSelected(true);
          }
        }
      }
@Override
      public void actionPerformed(ActionEvent e)