code: public List<QueryHint<NamedQuery<T>>> getAllHint()
     {
        List<QueryHint<NamedQuery<T>>> list = new ArrayList<QueryHint<NamedQuery<T>>>();
        List<Node> nodeList = childNode.get("hint");
        for(Node node: nodeList)
        {
           QueryHint<NamedQuery<T>>  type = new QueryHintImpl<NamedQuery<T>>(this, "hint", childNode, node);
           list.add(type);
        }
        return list;
     }
docs: Returns all <code>hint</code> elements
  @return list of <code>hint</code>