@Override
		public void layoutContainer( Container parent ) {
			updateCloseButtonMargins();

			super.layoutContainer( parent );

			updateCloseButtons();
			updateArrowButtons();
		}
Actually does nearly the same as super.paintContentBorder() but
  - not invoking paintContentBorder*Edge() methods
  - repaint selection
flatlaf-jide-oss/src/main/java/com/formdev/flatlaf/jideoss/ui/FlatJideTabbedPaneUI.java