anchor.diff:    /// Set the page load timeout.
     set pageLoadTimeout(Duration duration) {
       _set('page load', duration);
  -    return _pageLoadTimeout = duration;
  +    _pageLoadTimeout = duration;
     }
   }
  +
  
positive.code:   /// Set the script timeout.
    set scriptTimeout(Duration duration) {
      _set('script', duration);
      return _scriptTimeout = duration;
    }
  
    /// Get the implicit timeout.
  
negative.code:   }
  
    Map<String, dynamic> toJson() {
      var json = <String, dynamic>{'name': name, 'value': value};
      if (path is String) {
        json['path'] = path;
      }
  