// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

@abstract
extern class Struct extends HeapObject {}

extern class Tuple2 extends Struct {
  value1: Object;
  value2: Object;
}

extern class ClassPositions extends Struct {
  start: Smi;
  end: Smi;
}

extern class AccessorPair extends Struct {
  getter: Object;
  setter: Object;
}