import { ObservedSize, ResizeObserverBoxOptions, RoundingFunction } from "use-resize-observer";
type Options = {
    box?: ResizeObserverBoxOptions;
    round?: RoundingFunction;
};
declare const _default: (waitMs: number, options?: Options) => {
    lastSize: ObservedSize | undefined;
    width?: number | undefined;
    height?: number | undefined;
    ref: (instance: Element | null) => void;
};
export default _default;