| // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| part of models; |
| |
| abstract class PersistentHandles { |
| Iterable<PersistentHandle> get elements; |
| Iterable<WeakPersistentHandle> get weakElements; |
| } |
| |
| abstract class PersistentHandle { |
| ObjectRef get object; |
| } |
| |
| abstract class WeakPersistentHandle implements PersistentHandle { |
| int get externalSize; |
| String get peer; |
| String get callbackSymbolName; |
| String get callbackAddress; |
| } |