anchor.diff:      );
     }
   
  +  @useResult
     CheckTarget<Iterable<CompletionSuggestionForTesting>> get namedArguments {
       var result = value
           .where((suggestion) =>
  
positive.code:     );
    }
  
    CheckTarget<List<int>?> get defaultArgumentListTextRanges {
      return nest(
        value.suggestion.defaultArgumentListTextRanges,
  
negative.code:     );
    }
  
    @useResult
    CheckTarget<int> get replacementOffset {
      return nest(
        value.replacementOffset,
  