anchor.diff:    @db.StringProperty(required: true, indexed: false)
     String etag;
   
  -  @db.BlobProperty(required: true)
  -  List<int> status;
  +  @db.StringProperty(required: true, indexed: false)
  +  String statusBase64;
   }
   
   /// Task status provider that uses Datastore and [NeatTaskStatus] entries
  
positive.code:         tx.insert(NeatTaskStatus()
            ..id = name
            ..etag = Ulid().toCanonical()
            ..status = <int>[]);
        });
        e ??= await _db.lookupValue<NeatTaskStatus>(key, orElse: () => null);
      }
      _etag = e.etag;
      return e.status;
    }
  
    @override
  
negative.code:         return null;
        }
        e ??= NeatTaskStatus()..id = name;
        e.statusBase64 = base64.encode(status ?? <int>[]);
        e.etag = Ulid().toCanonical();
        tx.insert(e);
        return e.etag;
  