type EmptyRect = {
    bottom: void;
    left: void;
    right: void;
    top: void;
};
type Rect = {
    bottom: number;
    left: number;
    right: number;
    top: number;
};
declare const useBoundingClientRect: (element?: HTMLElement | null) => EmptyRect | Rect;
export default useBoundingClientRect;