private static void maybeInstallDefaultShortcuts(@NotNull JComponent component) {
    InputMap map = component.getInputMap(JComponent.WHEN_FOCUSED);
    UIUtil.maybeInstall(map, ListActions.Up.ID, KeyStroke.getKeyStroke(KeyEvent.VK_UP, 0));
    UIUtil.maybeInstall(map, ListActions.Down.ID, KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, 0));
  }
private static void maybeInstallDefaultShortcuts(@NotNull JComponent component)