anchor.diff:          ratingKey: ratingKey,
           title: title,
           sectionType: sectionType,
  +        heroTag: heroTag,
  +        backgroundUrlOverride: backgroundUrlOverride,
  +        disableStatsTab: disableStatsTab,
         ),
       );
     }
  
positive.code:     }
    }
  }
  
negative.code:   final int ratingKey;
    final String sectionType;
    final String title;
    final int heroTag;
    final String backgroundUrlOverride;
    final bool disableStatsTab;
  
    const LibraryDetailsPageContent({
      @required this.library,
      @required this.ratingKey,
      @required this.sectionType,
      @required this.title,
      @required this.heroTag,
      @required this.backgroundUrlOverride,
      @required this.disableStatsTab,
      Key key,
    }) : super(key: key);
  
  