import type { ScaleBand } from 'd3-scale';
import type { Point } from '../../core/types/point.js';
import type { DimensionXYPoint } from '../types/categorical-bar-chart-data.js';
import type { Layout } from '../types/categorical-bar-chart.js';
export declare const TOOLTIP_DISTANCE_THRESHOLD = 32;
/**
 * Retrieve the closest point in a grouped chart
 * considering the corresponding category and dimension.
 *
 * @param layout - layout mode of the chart
 * @param mousePosition - mouse coordinate
 * @param closestDimensionPoints - closest dimension points
 * @param categoryScale - category scale
 * @param dimensionScale - dimension scale
 *
 * @returns closest point of the mouse coordinate in a grouped chart
 */
export declare function findClosestPointInGroupedChart(layout: Layout, mousePosition: Point, closestDimensionPoints: DimensionXYPoint[], categoryScale: ScaleBand<string>, dimensionScale: ScaleBand<string>): DimensionXYPoint | undefined;