import * as React from "react";
export declare function useResizeObserver<T extends HTMLElement, R extends typeof ResizeObserver>(target: React.RefObject<T> | T | null, callback: UseResizeObserverCallback, options?: {
    ResizeObserver: R;
}): void;
export declare type UseResizeObserverCallback = (entry: ResizeObserverEntry, observer: ResizeObserver) => void;