export interface NodeSize {
    width: number;
    height: number;
}
export type NodeSizeMap = Record<string, NodeSize>;
/**
 * Stores measured node sizes by key and exposes a callback to update them.
 * Mirrors rc-notification@2.0 useSizes.
 */
export default function useSizes(): readonly [import('vue').ShallowRef<NodeSizeMap, NodeSizeMap>, (key: string, node: HTMLDivElement | null) => void];