export default class FullscreenService {
    private fullscreenChangeHandlers;
    constructor();
    cancelFullscreen(): void;
    displayFullscreen(element?: Element): void;
    getFullscreenElement(): Element | null;
    inIframe(): boolean;
    isFullscreen(): boolean;
    onFullscreenChange(callback: FullscreenChangeFunction): () => void;
    supportsFullscreen(): boolean;
}
declare type FullscreenChangeFunction = (isFullscreen: boolean) => void;
export {};