anchor.diff:    MeanReciprocalRankComputer typeRefMrrComputer =
         MeanReciprocalRankComputer('type reference completions');
   
  +  MeanReciprocalRankComputer localRefMrrComputer =
  +      MeanReciprocalRankComputer('local reference completions');
  +
     MeanReciprocalRankComputer topLevelMrrComputer =
         MeanReciprocalRankComputer('non-type member completions');
   
  
positive.code:         'Instance members', metrics.instanceMemberSlowestResults);
      _printSlowestResults('Static members', metrics.staticMemberSlowestResults);
      _printSlowestResults('Type references', metrics.typeRefSlowestResults);
      _printSlowestResults('Top level', metrics.topLevelSlowestResults);
    }
  
  
negative.code:     print('');
  
      metrics.typeRefMrrComputer.printMean();
      print('');
  
      metrics.localRefMrrComputer.printMean();
      print('');
  
      metrics.topLevelMrrComputer.printMean();
  