this.cfg = cfg;
	public BetterTypeAnalysis(MethodGen methodGen, String[] parameterSignatureList,	                          CFG cfg, DepthFirstSearch dfs,	                          TypeRepository typeRepository, TypeMerger typeMerger,	                          RepositoryLookupFailureCallback lookupFailureCallback) {		super(dfs);		this.methodGen = methodGen;		this.parameterSignatureList = parameterSignatureList;		this.cfg = cfg;		this.typeRepository = typeRepository;		this.typeMerger = typeMerger;		this.lookupFailureCallback = lookupFailureCallback;	}