code: public ConstructorResult<SqlResultSetMapping<T>> getOrCreateConstructorResult()
     {
        List<Node> nodeList = childNode.get("constructor-result");
        if (nodeList != null &&  nodeList.size() > 0)
        {
           return new ConstructorResultImpl<SqlResultSetMapping<T>>(this, "constructor-result", childNode, nodeList.get(0));
        }
        return createConstructorResult();
     }
docs: If not already created, a new <code>constructor-result</code> element will be created and returned.
  Otherwise, the first existing <code>constructor-result</code> element will be returned.
  @return the instance defined for the element <code>constructor-result</code>