/**
 * Checks if the given element is a heading element (h1-h6) or has a role of "heading".
 *
 * @param {HTMLElement} el - The element to check.
 * @returns {boolean} - True if the element is a heading element, false otherwise.
 */
declare const isHeadingElement: (el: HTMLElement) => boolean;
export default isHeadingElement;