anchor.diff:    Engine engine;
     Our.ClassElement _currentClass = null;
   
  -  ScopeVisitor(this.engine, this.declaredElements, this.references, this.library) {
  +  ScopeVisitor(this.engine, this.declaredElements, this.references, this.library){
       this.scope = {};
     }
   
  
positive.code:     }
    }
   
    @override
    visitConstructorName(ConstructorName node){
      if (node.name == null){
  
negative.code: 
    @override
    visitCascadeExpression(CascadeExpression node) {
    }
  
    visitConstructorDeclaration(ConstructorDeclaration node) {
      node.safelyVisitChild(node.parameters, this);
      node.initializers.accept(this);
      node.safelyVisitChild(node.redirectedConstructor, this);
      node.safelyVisitChild(node.body, this);
    }
    
    @override
  