public void setChildrenRenderer(ChildrenRenderer childrenRenderer) {
    final ChildrenRenderer prevRenderer = getChildrenRenderer();
    myChildrenRenderer = isBaseRenderer(childrenRenderer) ? null : childrenRenderer;
    final ChildrenRenderer currentRenderer = getChildrenRenderer();
    if (prevRenderer != currentRenderer) {
      if (currentRenderer instanceof ReferenceRenderer) {
        ((ReferenceRenderer)currentRenderer).setClassName(getClassName());
      }
    }
  }
public void setChildrenRenderer(ChildrenRenderer childrenRenderer)