/**
 * Requests fullscreen for an element, using the vendor-prefixed API when necessary.
 *
 * @param element - The element to display in fullscreen. Defaults to `document.documentElement`.
 * @returns A promise that resolves when fullscreen has been entered.
 *
 * @example
 * const el = document.createElement('div')
 * document.body.appendChild(el)
 * requestFullscreen(el).catch(e => console.log('blocked:', e.message))
 *
 * @since 1.0.0
 */
declare const requestFullscreen: (element?: Element) => Promise<void>;
export default requestFullscreen;