@Override
  protected JComponent createNorthPanel() {
    JPanel panel = createIconPanel();
    JPanel messagePanel = createMessagePanel();

    myComboBox = new ComboBox<>(220);
    messagePanel.add(myComboBox, BorderLayout.SOUTH);
    panel.add(messagePanel, BorderLayout.CENTER);
    return panel;
  }
@Override
  protected JComponent createNorthPanel()