anchor.diff:                      "serializer": serializeRevision,
                       "deserializer": {
                           "query": deserializeRevision
  +                    }
  +                },
  +                "items": {
  +                    "type": Item,
  +                    "serializer": serializeItem,
  +                    "deserializer": {
  +                        "query": deserializeItem
                       }
                   }
               })
  
positive.code: 
  deserializeIssue(r) => new Issue.fromMap(r.content);
  deserializeRevision(r) => new Revision.fromMap(r.content);
  
  
  //deserializer(type, attrs) {
  
negative.code: //import 'package:SecurityMonkey/model/network_whitelist_entry.dart';
  import 'package:SecurityMonkey/model/Account.dart';
  import 'package:SecurityMonkey/model/Issue.dart';
  import 'package:SecurityMonkey/model/Item.dart';
  import 'package:SecurityMonkey/model/Revision.dart';
  import 'package:SecurityMonkey/util/constants.dart';
  
  