if (DEBUG) System.out.println("Interface link: " + implementor.getSignature() + " --> " + iface.getSignature());
	public void addInterfaceLink(ObjectType implementor, ClassType iface) {		//System.out.println("Interface link: " + implementor.getSignature() + " --> " + iface.getSignature());		inheritanceGraph.createEdge(implementor, iface, InheritanceGraphEdgeTypes.INTERFACE_EDGE);	}