this.methodToNodeMap = new IdentityHashMap<Method, CallGraphNode>();
	public SelfCalls(ClassContext classContext) {		this.classContext = classContext;		this.callGraph = new CallGraph();		this.methodToNodeMap = new IdentityHashMap<Method, CallGraphNode>();		this.calledMethodSet = new HashSet<Method>();		this.hasSynchronization = false;	}