code: public PostLoad<EntityListener<T>> getOrCreatePostLoad()
     {
        Node node = childNode.getOrCreate("post-load");
        PostLoad<EntityListener<T>> postLoad = new PostLoadImpl<EntityListener<T>>(this, "post-load", childNode, node);
        return postLoad;
     }
docs: If not already created, a new <code>post-load</code> element with the given value will be created.
  Otherwise, the existing <code>post-load</code> element will be returned.
  @return  a new or existing instance of <code>PostLoad<EntityListener<T>></code>