private void updateBorders() {
    if (!ExperimentalUI.isNewUI()) {
      return;
    }
    int orientation = myToolbar.getOrientation();
    Insets i = orientation == SwingConstants.VERTICAL ? JBUI.CurrentTheme.Toolbar.verticalToolbarInsets()
                                                      : JBUI.CurrentTheme.Toolbar.horizontalToolbarInsets();
    Border border = i != null ? JBUI.Borders.empty(i) : JBUI.Borders.empty(2);
    myToolbar.getComponent().setBorder(border);
    ScrollableContentBorder.setup(myScrollPane, orientation == SwingConstants.VERTICAL ? Side.LEFT : Side.TOP);
  }
private void updateBorders()