@Override
  protected JPanel composeWholePanel(JComponent initializerPlacePanel, JPanel checkboxPanel) {
    JPanel panel = new JPanel(new GridBagLayout());
    final GridBagConstraints constraints =
      new GridBagConstraints(0, GridBagConstraints.RELATIVE, 1, 1, 0, 0, GridBagConstraints.NORTHWEST, GridBagConstraints.NONE,
                             JBInsets.emptyInsets(), 0, 0);
    panel.add(initializerPlacePanel, constraints);
    panel.add(checkboxPanel, constraints);
    return panel;
  }
@Override
  protected JPanel composeWholePanel(JComponent initializerPlacePanel, JPanel checkboxPanel)