anchor.diff:  
     void clear() {
       _content = null;
  -    _compressionType = _origCompressionType ?? _compressionType;
  +    _rawContent = null;
     }
   
     /// If the file data is compressed, decompress it.
  
positive.code:   String toString() => name;
  
    int? _compressionType;
    int? _origCompressionType;
    InputStream? _rawContent;
    dynamic _content;
  }
  
negative.code:       } else {
          _content = _rawContent!.toUint8List();
        }
        _compressionType = STORE;
      }
    }
  