anchor.diff:  }
   
   @JS()
  -class SkData {
  +@staticInterop
  +class SkData {}
  +
  +extension SkDataExtension on SkData {
     external int size();
     external bool isEmpty();
     external Uint8List bytes();
  
positive.code: 
  @JS()
  @anonymous
  class SkPartialImageInfo {
    external factory SkPartialImageInfo({
      required int width,
  
negative.code: 
  @JS()
  @anonymous
  @staticInterop
  class SkLineMetrics {}
  
  extension SkLineMetricsExtension on SkLineMetrics {
    external int get startIndex;
    external int get endIndex;
    external int get endExcludingWhitespaces;
  