@Nullable
  private static JPanel findTabbedPaneChild(@NotNull JComponent component) {
    Container parent = component.getParent();
    while (parent != null && !(parent instanceof NewCodeStyleSettingsPanel)) {
      Container nextParent = parent.getParent();
      if (nextParent instanceof JTabbedPane && parent instanceof JPanel) {
        return (JPanel)parent;
      }
      parent = nextParent;
    }
    return null;
  }
@Nullable
  private static JPanel findTabbedPaneChild(@NotNull JComponent component)