anchor.diff:  import '../globals_null_migrated.dart' as globals;
   
   abstract class WindowsApp extends ApplicationPackage {
  -  WindowsApp({@required String projectBundleId}) : super(id: projectBundleId);
  +  WindowsApp({required String projectBundleId}) : super(id: projectBundleId);
   
     /// Creates a new [WindowsApp] from a windows sub project.
     factory WindowsApp.fromWindowsProject(WindowsProject project) {
  
positive.code: // Copyright 2014 The Flutter 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 = 2.8
  
  import 'package:meta/meta.dart';
  
  import '../application_package.dart';
  import '../base/file_system.dart';
  
negative.code: }
  
  class BuildableUwpApp extends ApplicationPackage {
    BuildableUwpApp({required this.project}) : super(id: project.packageGuid ?? 'com.example.placeholder');
  
    final WindowsUwpProject project;
  
    String? get projectVersion => project.packageVersion;
  
    @override
    String? get name => getCmakeExecutableName(project);
  }
  