anchor.diff:        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')
  
positive.code:       '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",
  
negative.code: 
    return null;
  }
  