saveInterfaceContainer(interfaceFrom);
// Create IOPort for the From interface.
createInterfaceIOPort(interfaceFrom);
WiringNode checkNode = Xwiring.wg.lookup(interfaceFrom);
if (!interfaceFrom.provided) {
WiringScanForwards from = new WiringScanForwards(checkNode);
ListIterator out = from.edges();
WiringScan temp = null;