import type { SeriesToHoverGrid } from '../context/XYChartOverlayPerformance.context.js';
/**
 * Build per-series hover grids for rect and bar series on a debounced
 * schedule (via `useBuildStrategy`). Returns `undefined` while the
 * grid is being (re)built; callers should fall back to the linear
 * `buildQueryHovered` / `buildQueryAllHovered` path in that window.
 *
 * Both tooltip variants (single and shared) consume this grid via
 * `buildQueryHoveredFromGrid` and `buildQueryAllHoveredFromGrid`
 * respectively.
 */
export declare function useBuildHoverGrid(): SeriesToHoverGrid | undefined;