code: protected void repaintOverlayable(JComponent c) {
  
          final Container parent = c.getParent();
          if ((!(c instanceof Overlayable)) && (parent != null) && (parent instanceof DefaultOverlayable)) {
              OverlayableUtils.repaintOverlayable(c);
          }
      }
docs: Repaints the parent container of the target component if that is a <code>DefaultOverlayable</code> instance.
  
  @param c
  the child component.