// Copyright (c) 2013, 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 $LIBRARYNAME;

$(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS {
  Future delete() {
   try {
      return _completeRequest(_delete());
    } catch (e, stacktrace) {
      return new Future.error(e, stacktrace);
    }
  }

  Future update(value) {
   try {
      return _completeRequest(_update(value));
    } catch (e, stacktrace) {
      return new Future.error(e, stacktrace);
    }
  }

  @JSName('continue')
  void next([Object$NULLABLE key]) {
    if (key == null) {
      JS('void', '#.continue()', this);
    } else {
      JS('void', '#.continue(#)', this, key);
    }
  }
  $!MEMBERS
}
