}
}
CPO lattice = TypeLattice.lattice();
Object[] portTypeArray = portTypeList.toArray();
result = (Type) lattice.greatestLowerBound(portTypeArray);
} else if (isOutput()) {
// is a transparent output port. Get all the ports connected
// on the inside through deepInsidePortList().
Iterator ports = deepInsidePortList().iterator();
List portTypeList = new LinkedList();