import { type PointerEvent as ReactPointerEvent } from 'react';
import type { Overlay } from '../../core/components/overlay-tooltip/types.js';
import type { SankeyHoveredShape } from '../types/sankey-hover.js';
export declare function isSameHoveredShape(prev: SankeyHoveredShape | undefined, next: SankeyHoveredShape | undefined): boolean;
export declare function useSankeyOverlayEvents(overlay: Overlay): {
    onPointerMove: (event: ReactPointerEvent<HTMLDivElement>) => void;
    onPointerLeave: () => void;
};
//# sourceMappingURL=use-sankey-overlay-events.d.ts.map