declare function isFull(el: HTMLElement | EventTarget): boolean;
declare function toggle(el?: HTMLElement, options?: FullscreenOptions): Promise<void>;
declare function watch(el: HTMLElement, callback: (isFull: boolean) => void): {
    cancel: () => void;
};
declare const fullscreen: {
    toggle: typeof toggle;
    watch: typeof watch;
    isFull: typeof isFull;
};
export default fullscreen;