anchor.diff:    }
   
     /// Record that this task has made progress
  +  /// Based effort based synchronisation
     recordProgress() async {
       log.trace("recordProgress on Task for $_objectKey");
       await _pullBackingStore();
  
positive.code:   // Location of the object in the datastore
    final db.Key _objectKey;
    _TaskModel backingstore;
  
    toString() => uniqueName;
  
    String get uniqueName => "${_objectKey?.id}";
  
    /// Get the state of the task
    // The state machine for READY -> ALLOCATED is synchronised
    Future<LifecycleState> get state async {
      log.trace("Get state on Task for $_objectKey");
      await _pullBackingStore();
  
negative.code: 
      List<db.Model> models = await _db.lookup([_objectKey]);
      backingstore = models.first;
  
      backingStoreAge = new Stopwatch()..start();
  
      log.trace("_pullBackingStore completed, PERF: ${sw.elapsedMilliseconds}");
    }
  