code: public LifecycleCallbackType<SessionBeanType<T>> getOrCreatePrePassivate()
     {
        List<Node> nodeList = childNode.get("pre-passivate");
        if (nodeList != null &&  nodeList.size() > 0)
        {
           return new LifecycleCallbackTypeImpl<SessionBeanType<T>>(this, "pre-passivate", childNode, nodeList.get(0));
        }
        return createPrePassivate();
     }
docs: If not already created, a new <code>pre-passivate</code> element will be created and returned.
  Otherwise, the first existing <code>pre-passivate</code> element will be returned.
  @return the instance defined for the element <code>pre-passivate</code>