import type { HistogramTooltipDataPoint } from './bins-to-tooltip.js';
import { HistogramSeries, WeakMapBins, WeakMapSeries, XScale, YScale } from '../../../types/histogram.js';
/**
 * loop the histogram series and its bins to determine the closest X bins
 *
 * @param mouseX - the x mouse position
 * @param series - histogram series
 * @param yScales - yScales array
 * @param xScale - xScale
 * @param seriesMap - series weakmap
 * @param binsMap - bins weakmap
 *
 * @returns get the closest X bins information.
 */
export declare function findClosestBinX(mouseX: number, series: HistogramSeries[], yScales: YScale[], xScale: XScale, seriesMap: WeakMapSeries, binsMap: WeakMapBins): HistogramTooltipDataPoint[];
/**
 * Get the closest bins information: the closestBin base on the mouse y position, get the closestBins from the closest one and group the closestBins
 *
 * @param mouseY - the y mouse position
 * @param closestBinsX - closest bins regarding the x
 * @returns get the closest bins information.
 */
export declare function getClosestBins(mouseY: number, closestBinsX: HistogramTooltipDataPoint[]): {
    closestBin: HistogramTooltipDataPoint;
    closestBinsByClosestOne: HistogramTooltipDataPoint[];
    closestBinsGrouped: HistogramTooltipDataPoint[][];
};