// 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
class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
$if DARTIUM
  List<int> __data;

  List<int> get data {
    if (__data == null) {
      __data = _data;
    }
    return __data;
  }
$endif

$!MEMBERS
}
