/**
* @license Copyright (c) 2003-2026, CKSource Holding sp. z o.o. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-licensing-options
*/
/**
* @module watchdog/utils/getsubnodes
*/
/**
* @internal
*/
export declare function getSubNodes(head: unknown, excludedProperties?: Set<unknown>): Set<unknown>;