anchor.diff:  import 'package:sintr_common/configuration.dart' as config;
   import 'package:sintr_common/logging_utils.dart' as log;
   import 'package:sintr_worker_lib/instrumentation_transformer.dart';
  -
  -import 'package:sintr_worker_lib/query/versions.dart';
  +import 'package:sintr_worker_lib/query/completion_metrics.dart';
  +import 'package:sintr_worker_lib/session_info.dart';
   
   const projectName = "liftoff-dev";
   var client;
  
positive.code:     int lines = 0;
  
      // Initialize query specific objects
      var mapper = new VersionMapper();
  
      Stream dataStream = await getDataFromCloud(bucketName, objectPath);
  
      // Extraction
      await mapper.init({});
      await for (String logEntry in dataStream
          .transform(UTF8.decoder)
          .transform(new LineSplitter())
  
negative.code:     })) {
        lines++;
        // TODO (lukechurch): Add local error capture here
        mapper.map(logEntry);
      }
      mapper.cleanup();
  
      return JSON.encode({
        "result": results,
  