anchor.diff:        ..replacementLength = range.length;
   
       // Request Dart specific completions from each contributor
  -    var suggestionMap = <String, CompletionSuggestion>{};
  -    var constructorMap = <String, List<String>>{};
       var builder = SuggestionBuilder(dartRequest, listener: listener);
       var contributors = <DartCompletionContributor>[
         ArgListContributor(),
  
positive.code:         performance.logElapseTime(contributorTag);
          request.checkAborted();
        }
        for (var newSuggestion in builder.suggestions) {
          addSuggestionToMap(newSuggestion);
        }
      } on InconsistentAnalysisException {
        // The state of the code being analyzed has changed, so results are likely
        // to be inconsistent. Just abort the operation.
  
negative.code:       }
      }
    }
  }
  
  /// The information about a requested list of completions within a Dart file.
  