/**
 * Schedule a debounced computation and expose its result. The caller
 * supplies a memoized `build` callback; the hook re-runs it whenever the
 * reference changes and discards stale results in the meantime.
 *
 * Generic over the return type so the provider can swap between
 * strategies (quadtree, sorted entries, …) by branching inside the
 * callback rather than gating two parallel hooks with a flag.
 */
export declare function useBuildStrategy<T>(build: () => T): T | undefined;