static JComponent withTitle(String title, Component etc c) {
  ret withTitle(withTitle_titlePanel(title), c);
}

static JComponent withTitle_titlePanel(String title) {
  ret jlabel(title);
}

static JPanel withTitle(final JComponent titleComponent, final Component c) {
  ret swing(func -> JPanel {
    titleComponent.setBorder(BorderFactory.createMatteBorder(0, 0, 1, 0, UIManager.getColor("Button.borderColor")));
    JPanel panel = new JPanel(new BorderLayout());
    panel.setBackground(Color.WHITE);
    panel.add(BorderLayout.NORTH, titleComponent);
    panel.add(BorderLayout.CENTER, wrap(c));
    return panel;
  });
}