this.exceptionSetMap = new HashMap<BasicBlock, CachedExceptionSet>();
	public TypeAnalysis(MethodGen methodGen, DepthFirstSearch dfs, TypeMerger typeMerger, TypeFrameModelingVisitor visitor,		RepositoryLookupFailureCallback lookupFailureCallback) {		super(dfs);		this.methodGen = methodGen;		this.typeMerger = typeMerger;		this.visitor = visitor;		this.lookupFailureCallback = lookupFailureCallback;		this.exceptionSetMap = new HashMap<BasicBlock, CachedExceptionSet>();	}