import { type ChartPlugin } from '@mui/x-charts/internals';
import type { UseSankeyHighlightSignature } from "./useSankeyHighlight.types.js";
/**
 * Custom highlight plugin for Sankey charts that uses SankeyItemIdentifier
 * instead of the standard HighlightItemData.
 */
export declare const useSankeyHighlight: ChartPlugin<UseSankeyHighlightSignature>;