import { RefObject } from 'react';
interface ElementSize {
    width: number;
    height: number;
}
/**
 * A hook that tracks an element's dimensions using ResizeObserver.
 * Falls back to {0, 0} if ResizeObserver is not available or element is not mounted.
 * @param ref React ref object for the element to monitor
 * @returns Object containing current element width and height
 */
export declare function useElementSize<T extends Element>(ref: RefObject<T>): ElementSize;
export {};