code: public ContainerRuntimeOptionType<PortletDescriptor> getOrCreateContainerRuntimeOption()
     {
        List<Node> nodeList = model.get("container-runtime-option");
        if (nodeList != null &&  nodeList.size() > 0)
        {
           return new ContainerRuntimeOptionTypeImpl<PortletDescriptor>(this, "container-runtime-option", model, nodeList.get(0));
        }
        return createContainerRuntimeOption();
     }
docs: If not already created, a new <code>container-runtime-option</code> element will be created and returned.
  Otherwise, the first existing <code>container-runtime-option</code> element will be returned.
  @return the instance defined for the element <code>container-runtime-option</code>