anchor.diff:    @override
     File get generatedEnvironmentVariableExportScript => _flutterLibRoot.childDirectory('Flutter').childFile('flutter_export_environment.sh');
   
  -  @override
  -  File get podfile => hostAppRoot.childFile('Podfile');
  -
  -  @override
  -  File get podfileLock => hostAppRoot.childFile('Podfile.lock');
  -
  -  @override
  -  File get podManifestLock => hostAppRoot.childDirectory('Pods').childFile('Manifest.lock');
  -
  -  /// The default 'Info.plist' file of the host app. The developer can change this location in Xcode.
  -  File get defaultHostInfoPlist => hostAppRoot.childDirectory(_hostAppProjectName).childFile('Info.plist');
  -
     File get appFrameworkInfoPlist => _flutterLibRoot.childDirectory('Flutter').childFile('AppFrameworkInfo.plist');
   
     Directory get symlinks => _flutterLibRoot.childDirectory('.symlinks');
  -
  -  @override
  -  Directory get xcodeProject => hostAppRoot.childDirectory('$_hostAppProjectName.xcodeproj');
  -
  -  @override
  -  File get xcodeProjectInfoFile => xcodeProject.childFile('project.pbxproj');
  -
  -  File get xcodeProjectWorkspaceData =>
  -    xcodeProject
  -    .childDirectory('project.xcworkspace')
  -    .childFile('contents.xcworkspacedata');
  -
  -  @override
  -  Directory get xcodeWorkspace => hostAppRoot.childDirectory('$_hostAppProjectName.xcworkspace');
  -
  -  /// Xcode workspace shared data directory for the host app.
  -  Directory get xcodeWorkspaceSharedData => xcodeWorkspace.childDirectory('xcshareddata');
  -
  -  /// Xcode workspace shared workspace settings file for the host app.
  -  File get xcodeWorkspaceSharedSettings => xcodeWorkspaceSharedData.childFile('WorkspaceSettings.xcsettings');
   
     /// Do all plugins support arm64 simulators to run natively on an ARM Mac?
     Future<bool> pluginsSupportArmSimulator() async {
  
positive.code:         ? _flutterLibRoot
              .childDirectory('Flutter')
              .childDirectory('FlutterPluginRegistrant')
          : hostAppRoot.childDirectory(_hostAppProjectName);
    }
  
    File get pluginRegistrantHeader {
  
negative.code: }
  
  /// The macOS sub project.
  class MacOSProject extends XcodeBasedProject {
    MacOSProject.fromFlutter(this.parent);
  
    @override
  