@Override
    protected void layout() {
      myRendererComponent.add(mySeparatorComponent, BorderLayout.NORTH);

      JComponent centerComponent = new NonOpaquePanel(myComponent) {
        @Override
        public Dimension getPreferredSize() {
          return UIUtil.updateListRowHeight(super.getPreferredSize());
        }
      };

      myRendererComponent.add(centerComponent, BorderLayout.CENTER);
    }
@Override
    protected void layout()