/**
 * Check if an element is in fullscreen or not.
 * @returns `true` if `elem` is displayed in fullscreen.
 */
export declare function tgdFullscreenTest(element: Element | null): boolean;
/**
 * Request for an element to go fullscreen.
 * @returns `true` in case of success.
 */
export declare function tgdFullscreenRequest(element: Element | null, options?: FullscreenOptions): Promise<boolean>;
/**
 * Exit fullscreen mode.
 * @returns `true` in case of success.
 */
export declare function tgdFullscreenExit(): Promise<boolean>;
/**
 * If `element` is not in fullscreen mode, request it.
 * Otherwise, exit from fullscreen mode.
 */
export declare function tgdFullscreenToggle(element: Element | null, options?: FullscreenOptions): Promise<boolean>;
//# sourceMappingURL=fullscreen.d.ts.map