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/* 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/. */
"use strict";
/**
* Any event listener flagged with this symbol will not be considered when
* the EventCollector class enumerates listeners for nodes. For example:
*
* const someListener = () => {};
* someListener[EXCLUDED_LISTENER] = true;
* eventListenerService.addSystemEventListener(node, "event", someListener);
*/
const EXCLUDED_LISTENER = Symbol("event-collector-excluded-listener");
exports.EXCLUDED_LISTENER = EXCLUDED_LISTENER;
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