anchor.diff:        return null;
       }
   
  -    Paint? definitionPaint;
       Color? strokeColor;
       String? shaderId;
       bool? hasPattern;
  
positive.code: import '../geometry/path.dart';
  import '../paint.dart';
  import '../vector_instructions.dart';
  import 'colors.dart';
  import 'node.dart';
  import 'numbers.dart' hide parseDoubleWithUnits;
  import 'numbers.dart' as numbers show parseDoubleWithUnits;
  import 'opacity_peephole.dart';
  import 'parsers.dart';
  import 'resolver.dart';
  import 'theme.dart';
  import 'visitor.dart';
  
  
negative.code: import 'dart:typed_data';
  
  import 'package:meta/meta.dart';
  import 'package:xml/xml_events.dart';
  
  import '../geometry/basic_types.dart';
  