import type { MeasuredSlotSize } from "./types";
/**
 * Attaches a ResizeObserver to an element and publishes its size into the
 * measured-layout registry under `slotId`.
 *
 * Outside {@link MeasuredLayoutProvider}, returns a local measure ref only
 * (no publish) so chrome components remain usable in isolation.
 *
 * @param slotId - Registry key (e.g. `home.topBar`)
 * @param fallback - Optional size used until the first real measurement
 */
export declare function useMeasureSlot(slotId: string, fallback?: MeasuredSlotSize): (node: Element | null) => void;
export default useMeasureSlot;