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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/.
*/
/**
* A holder for structured-clonable data which can itself be cloned with
* little overhead, and deserialized into an arbitrary global.
*/
[ChromeOnly, Exposed=*]
interface StructuredCloneHolder {
/**
* Serializes the given value to an opaque structured clone blob, and
* returns the result.
*
* The serialization happens in the compartment of the given global or, if no
* global is provided, the compartment of the data value.
*
* The name argument is added to the path of the object in
* memory reports, to make it easier to determine the source of leaks. In
* anonymized memory reports, the anonymized name is used instead. If
* anonymizedName is null, name is used in anonymized reports as well.
* Anonymized names should not contain any potentially private information,
* such as web URLs or user-provided data.
*/
[Throws]
constructor(UTF8String name, UTF8String? anonymizedName,
any data, optional object? global = null);
/**
* Returns the size of serialized data in bytes. Note that this is smaller
* than the actual size of the object in memory, because of buffer sizes etc.
*/
readonly attribute unsigned long long dataSize;
/**
* Deserializes the structured clone data in the scope of the given global,
* and returns the result.
*
* If `keepData` is true, the structured clone data is preserved, and can be
* deserialized repeatedly. Otherwise, it is immediately discarded.
*/
[Throws]
any deserialize(object global, optional boolean keepData = false);
};
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