anchor.diff:  }
   
   class MultiCellPainter extends CustomPainter {
  -  const MultiCellPainter({@required this.nodes});
  +  const MultiCellPainter({required this.nodes});
   
     final List<PositionedCell> nodes;
   
  
positive.code:   }
  
    Widget buildSubTreemaps() {
      return LayoutBuilder(
        builder: (context, constraints) {
          // TODO(peterdjlee): Investigate why exception is thrown without this check
  
negative.code:   /// Includes only package nodes (nodes that start with 'package:').
    List<String> packagePath() {
      final reversedPath = <String>[];
      TreemapNode? current = this;
  
      while (current != null) {
        if (current.name.contains('(Dart AOT)')) {
  