/// <reference types="react" />
declare type UseResizeObserver<T extends HTMLElement> = {
    active?: boolean;
    target: React.RefObject<T> | T | null;
    onResize: UseResizeObserverCallback;
};
export declare const useResizeObserver: <T extends HTMLElement>({ active, target, onResize, }: UseResizeObserver<T>) => void;
declare type UseResizeObserverCallback = (entry: ResizeObserverEntry, observer: ResizeObserver) => unknown;
export {};