anchor.diff:  // Copyright 2019 The Chromium Authors. All rights reserved.
   // Use of this source code is governed by a BSD-style license that can be
   // found in the LICENSE file.
  -
  -// @dart=2.9
   
   import 'package:flutter/material.dart';
   import 'package:provider/provider.dart';
  
positive.code: 
  class _ConnectDialogState extends State<ConnectDialog>
      with BlockingActionMixin {
    TextEditingController connectDialogController;
  
    @override
    void initState() {
  
negative.code:       analytics_constants.landingScreen,
        analytics_constants.connectToApp,
      );
      if (connectDialogController.text.isEmpty) {
        Notifications.of(context)!.push('Please enter a VM Service URL.');
        return;
      }
  
  