import { UIElement } from '@instructure/shared-types';
/**
 * ---
 * category: utilities/DOM
 * ---
 *
 * Determine if an element contains the active element
 * @module containsActiveElement
 * @param { Node | Window | React.ReactElement | React.Component | function | null } el - component or DOM node
 * @returns {boolean} if the element contains the active element
 */
declare function containsActiveElement(el?: UIElement): boolean;
export default containsActiveElement;
export { containsActiveElement };
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