anchor.diff:          '--$gcloudProjectVersionFlag version\n\n'
           'Optional flags:\n'
           '--$flutterProfileModeFlag\tBuild app_flutter in profile for debugging\n'
  -        '--$ignoreVersionFlag\tForce deploy with current Flutter version\n');
  +        '--$ignoreVersionFlag\tForce deploy with current Flutter version\n'
  +        '--$skipBuildFlag\tUse existing build directory in app_dart\n');
       exit(1);
     }
   
  
positive.code:       _gcloudProjectVersion,
        '--no-promote',
        '--no-stop-previous-version',
      ],
    );
  
  
negative.code: 
  /// Build app_flutter for web.
  Future<bool> _buildFlutterWebApp() async {
    if (_skipBuild) {
      stdout.writeln('Skipping the build of Flutter app');
      return true;
    }
  
    /// Clean up previous build files to ensure this codebase is deployed.
    await Process.run('rm', <String>['-rf', 'build/'], workingDirectory: flutterProjectDirectory);
  
  