private static void setTabContainerBorder(@NotNull JComponent pane) {
    Component tabContainer = UIUtil.uiChildren(pane).find(component -> component.getClass().getSimpleName().equals("TabContainer"));
    if (tabContainer instanceof JComponent) {
      ((JComponent)tabContainer).setBorder(new SideBorder(PluginManagerConfigurable.SEARCH_FIELD_BORDER_COLOR, SideBorder.BOTTOM));
    }
  }
private static void setTabContainerBorder(@NotNull JComponent pane)