export declare class FullScreenUtils {
    /** Enters fullscreen. */
    enterFullScreen(): void;
    /** Exits fullscreen */
    exitFullScreen(): void;
    /**
     * Adds cross-browser fullscreenchange event
     *
     * @param exitHandler Function to be called on fullscreenchange event
     */
    addFullScreenListener(exitHandler: () => any): void;
    /**
     * Checks fullscreen state.
     *
     * @return `true` if fullscreen is active, `false` if not
     */
    isFullScreen(): boolean;
}