anchor.diff:      }
     }
    
  +  /*
     @override
     visitConstructorName(ConstructorName node){
       if (node.name == null){
  
positive.code:   @override
    visitPrefixedIdentifier(PrefixedIdentifier node) {
      node.safelyVisitChild(node.prefix, this);
    }
  
    //Only try to resolve the target.
  
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
  