ArrayList nodeArrayList2 = (ArrayList) pop();
ArrayList nodeArrayList1 = (ArrayList) pop();
TypedLinkedList listNode3 = new TypedLinkedList();
{
TypedLinkedList listNode1 = new TypedLinkedList();
PScenario pscenarioNode2;
listNode1 = (TypedLinkedList)nodeArrayList1.get(0);
pscenarioNode2 = (PScenario)nodeArrayList2.get(0);
if(listNode1 != null)
{
listNode3.addAll(listNode1);