anchor.diff:  
     // From dart:_native_typed_data
   
  -  late final ClassEntity? typedArrayOfIntClass = _findClass(
  -      _env.lookupLibrary(Uris.dart__native_typed_data, required: true),
  -      'NativeTypedArrayOfInt');
  -
  -  late final ClassEntity typedArrayOfDoubleClass = _findClass(
  -      _env.lookupLibrary(Uris.dart__native_typed_data, required: true),
  -      'NativeTypedArrayOfDouble')!;
  -
  -  late final ClassEntity jsBuiltinEnum = _findClass(
  -      _env.lookupLibrary(Uris.dart__js_shared_embedded_names, required: true),
  -      'JsBuiltin')!;
  +  late final ClassEntity? typedArrayOfIntClass =
  +      _findClass(typedDataLibrary, 'NativeTypedArrayOfInt');
  +
  +  late final ClassEntity typedArrayOfDoubleClass =
  +      _findClass(typedDataLibrary, 'NativeTypedArrayOfDouble');
  +
  +  late final ClassEntity jsBuiltinEnum =
  +      _findClass(sharedEmbeddedNamesLibrary, 'JsBuiltin');
   
     bool isForeign(MemberEntity element) => element.library == foreignLibrary;
   
  
positive.code: 
    /// The `NativeTypedData` class from dart:typed_data.
    ClassEntity get typedDataClass =>
        _findClass(typedDataLibrary, 'NativeTypedData')!;
  
    /// Constructor of the `Symbol` class in dart:internal.
    ///
  
negative.code: 
    late final FunctionEntity checkTypeBound = _findRtiFunction('checkTypeBound');
  
    ClassEntity get _rtiImplClass => _findRtiClass('Rti');
  
    ClassEntity get _rtiUniverseClass => _findRtiClass('_Universe');
  
    FieldEntity _findRtiClassField(String name) =>
        _findClassMember(_rtiImplClass, name);
  
    late final FieldEntity rtiAsField = _findRtiClassField('_as');
  
  