anchor.diff:      return new Future.value(counter[name]++);
     }
   }
  +
  +enum OperationType {
  +  Compilation,
  +  Analysis,
  +  Completion,
  +  Document,
  +  Fixes,
  +  Format
  +}
positive.code: var maxMutations = 2;
  var iterations = 5;
  String commandToRun = "ALL";
  
  main (List<String> args) async {
    if (args.length == 0) {
  
negative.code: }
  
  Future<num> testFormat(String src) async {
    lastExecuted = OperationType.Format;
    Stopwatch sw = new Stopwatch()..start();
    int i = 0;
    lastOffset = i;
    await server.formatGet(source: src, offset: i);
    return sw.elapsedMilliseconds;
  }
  
  