private static Border getLabelBorder(boolean focused) {
      if (!focused) {
        return new EmptyBorder(getInsets());
      }

      int arcSize = JBUIScale.scale(Registry.intValue("ide.link.button.focus.round.arc", 4));
      return JBUI.Borders.compound(
        new EmptyBorder(getOutsideFrameInsets()),
        new RoundedLineBorder(JBUI.CurrentTheme.Link.FOCUSED_BORDER_COLOR, arcSize, FOCUS_THICKNESS),
        new EmptyBorder(getInsideFrameInsets()));
    }
private static Border getLabelBorder(boolean focused)