// 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.@abstractextern class DataHandler extends Struct { smi_handler: Smi|Code; validity_cell: Smi|Cell; // Space for the following fields may or may not be allocated. @noVerifier data_1: MaybeObject; @noVerifier data_2: MaybeObject; @noVerifier data_3: MaybeObject;}