@Override
  protected JComponent createNorthPanel() {
    JPanel panel = new JPanel();
    panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
    panel.add(new JLabel(JavaRefactoringBundle.message("there.are.unused.methods.that.override.methods.you.delete")));
    panel.add(new JLabel(JavaRefactoringBundle.message("choose.the.ones.you.want.to.be.deleted")));
    return panel;
  }
@Override
  protected JComponent createNorthPanel()