anchor.diff:        'iosIdentifier': _createUTIIdentifier(projectName),
         'description': projectDescription,
         'dartSdk': '$flutterRoot/bin/cache/dart-sdk',
  -      'flutterPackagesDirectory': fs.path.join(flutterRoot, 'packages'),
         'androidMinApiLevel': android.minApiLevel,
         'androidSdkVersion': android_sdk.minimumAndroidSdkVersion,
         'androidFlutterJar': "$flutterRoot/bin/cache/artifacts/engine/android-arm/flutter.jar",
  
positive.code:       String projectDescription, String dirPath, String flutterRoot,
        { bool renderDriverTest: false, bool withPluginHook: false }) {
      flutterRoot = fs.path.normalize(flutterRoot);
      flutterRoot = _relativePath(from: dirPath, to: flutterRoot);
  
      final String pluginDartClass = _createPluginClassName(projectName);
      final String pluginClass = pluginDartClass.endsWith('Plugin')
  
negative.code: 
    return null;
  }
  