anchor.diff:    print('----- reducing');
   
     // Initialize query specific objects
  -  var reducer = severeLogReducer;
  +  var reducer = completionReducer;
     var reductionMerge = completionReductionMerge;
   
     // Reduce the information into two separate result maps
  
positive.code: import 'package:sintr_worker_lib/instrumentation_transformer.dart';
  import 'package:sintr_worker_lib/query.dart';
  import 'package:sintr_worker_lib/query/completion_metrics.dart';
  import 'package:sintr_worker_lib/query/severe_log.dart';
  import 'package:sintr_worker_lib/session_info.dart';
  
  main(List<String> args) async {
  
negative.code:       var stopwatch = new Stopwatch()..start();
  
        // Initialize query specific objects
        TestMapper mapper = new TestMapper(new CompletionMapper(), file.path);
  
        // Extraction
        await mapper.init({}, (String key, value) {
  