type ObserverRect = Omit<DOMRectReadOnly, 'toJSON'>;
export declare function useResizeObserver<T extends HTMLElement = any>(options?: ResizeObserverOptions): readonly [import("react").RefObject<T | null>, ObserverRect];
export declare function useElementSize<T extends HTMLElement = any>(options?: ResizeObserverOptions): {
    ref: import("react").RefObject<T | null>;
    width: number;
    height: number;
};
export {};