/**
 * @type {Array}
 */
export declare const focusableElList: string[];
/**
 * @description check if it is possible to use the DOM API
 * @type boolean
 */
export declare const canUseDOM: boolean;
/**
 * Get a NodeList with all focusable nodes within a specific element
 * @param {HTMLElement} element HTML element to get focusable list of DOM nodes from.
 * @returns {NodeList} List of all focusable DOM nodes
 */
export declare function getFocusableElements(element: Element): Element[];