private final List<Pair<VariableDeclarationNode, String>> _toMarkFinal;
    public Convert8To7Visitor()
    {
        _className = new Stack<String>();
        _vars = new VariableStack();
        _classFinder = new ClassFinder();
        _importer = new Importer(_classFinder);
        _lambdaConverter = new LambdaConverter(_importer, _classFinder);
        _referenceConverter = new MemberReferenceConverter(_importer, _classFinder);
        _toMarkFinal = new ArrayList<Pair<VariableDeclarationNode, String>>();