import * as React from 'react';
type OnResizeFn = (size: {
    width: number;
    height: number;
}) => void;
interface ResizeObserverProps {
    /**
     * Specifies whether to call onResize after the initial render (on mount)
     *
     * @default true
     */
    notifyOnMount?: boolean;
    /**
     * If set to true, it will be attached using `useLayoutEffect`. If false, will be attached using `useEffect`
     * @default false
     */
    earlyAttach?: boolean;
    onResize: OnResizeFn;
}
export declare const setupResizeObserver: (node: HTMLElement, callback: OnResizeFn) => (() => void);
/**
 * A hook that notifies you when a certain DOM element has changed it's size
 *
 * @param ref A React ref to a DOM element
 * @param callback The function to be called when the element is resized.
 */
export declare const useResizeObserver: (ref: React.MutableRefObject<HTMLElement | null>, callback: OnResizeFn, config?: {
    earlyAttach: boolean;
}) => void;
export declare const ReactResizeObserver: ({ notifyOnMount, earlyAttach, ...props }: ResizeObserverProps) => React.JSX.Element;
export {};