code: public BeanType<ValidationMappingDescriptor> getOrCreateBean()
     {
        List<Node> nodeList = model.get("bean");
        if (nodeList != null &&  nodeList.size() > 0)
        {
           return new BeanTypeImpl<ValidationMappingDescriptor>(this, "bean", model, nodeList.get(0));
        }
        return createBean();
     }
docs: If not already created, a new <code>bean</code> element will be created and returned.
  Otherwise, the first existing <code>bean</code> element will be returned.
  @return the instance defined for the element <code>bean</code>