import { UIElement } from '@instructure/shared-types';
declare function containsFallback(context: UIElement, el: UIElement): boolean;
/**
 * ---
 * category: utilities/DOM
 * ---
 *
 * Determine if an element contains another DOM node
 * @module containsWithDOM
 * @param { Node | Window | React.ReactElement | function | null } context - component or DOM node
 * @param { Node | Window | React.ReactElement | function | null } el - component or DOM node which we want to determine if contained within the context
 * @returns { boolean } if the element is contained within the context
 */
declare const contains: typeof containsFallback;
export default contains;
export { contains };
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