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// https://html.spec.whatwg.org/multipage/interaction.html#closewatcher
[
ActiveDOMObject,
Exposed=Window,
EnabledBySetting=CloseWatcherEnabled,
] interface CloseWatcher : EventTarget {
[CallWith=CurrentScriptExecutionContext, RaisesException] constructor(optional CloseWatcherOptions options = {});
undefined requestClose();
undefined close();
undefined destroy();
attribute EventHandler oncancel;
attribute EventHandler onclose;
};
dictionary CloseWatcherOptions {
AbortSignal signal;
};
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