code: @Override
      public Boolean installOverlay(JComponent targetComponent, JComponent overlay) {
  
          return this.installOverlay(targetComponent, overlay, SwingConstants.NORTH_WEST, null);
      }
docs: {@inheritDoc}
  <p>
  Employs a default position <code>SwingConstants.NORTH_WEST</code> and <code>null</code> insets to avoid changes.
  
  @see #installOverlay(JComponent, JComponent, int, Insets)