import { Ref } from 'vue';
/**
 * Counts changes to a component's slots. A functional body that renders the
 * host's slots re-renders only when its props change, so a body given this
 * count as a prop follows a host that swaps, adds or removes a slot, while an
 * update that leaves the slots alone (the stream's own ticks) moves nothing.
 */
export declare function useSlotVersion(slots: Record<string, unknown>): Readonly<Ref<number>>;