this.members = clasz.members().cloneScope();
this.members = clasz.members();
    public ClassExpander(Global global, Symbol clasz, Template template) {        this.global = global;        this.gen = global.treeGen;        this.clasz = clasz;        this.parents = Type.cloneArray(clasz.parents());        this.members = clasz.members().cloneScope();        this.template = gen.Template(template.pos, template.symbol(),            Tree.cloneArray(template.parents), template.body);        this.body = new LinkedList();        this.map = new SymbolSubstTypeMap();        this.cloner = new SymbolCloner(            global.freshNameCreator, new HashMap(), map.getSymbols());        this.state = parents.length;    }