anchor.diff:            'dart.html',
             'dart.indexed_db',
             'dart.io',
  -          'dart.lisolate',
  +          'dart.isolate',
             'dart.js',
             'dart.js_util',
             'dart.math',
  
positive.code: const int _kIntVal = 0;
  const double _kDoubleVal = 0.0;
  const bool _kBoolVal = true;
  
  typedef ConvertYamlToType<T> = T Function(YamlMap, String, ResourceProvider);
  
  
negative.code:   Map<String, _YamlFileData> get _yamlAtCanonicalPathCache =>
        root.__yamlAtCanonicalPathCache;
  
    final ArgParser __argParser = ArgParser(usageLineLength: _usageLineLength);
  
    ArgParser get argParser => root.__argParser;
  
  