private void installRadioListeners(final @NotNull Collection<? extends TypeHandler> values) {
    ActionListener l = new ActionListener() {
      @Override
      public void actionPerformed(ActionEvent e) {
        radioSelected(true);
      }
    };
    for (TypeHandler typeHandler : values) {
      typeHandler.getRadioButton().addActionListener(l);
    }
  }
private void installRadioListeners(final @NotNull Collection<? extends TypeHandler> values)