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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// https://wicg.github.io/portals/#the-portalhost-interface
[Exposed=Window, RuntimeEnabled=Portals]
interface PortalHost : EventTarget {
[RaisesException, CallWith=ScriptState, Measure] void postMessage(any message, DOMString targetOrigin,
optional sequence<object> transfer = []);
[RaisesException, CallWith=ScriptState, Measure] void postMessage(any message,
optional WindowPostMessageOptions options = {});
attribute EventHandler onmessage;
attribute EventHandler onmessageerror;
};
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