import { ChartUnit } from '../../../../core/types/chart-unit.js';
import { HistogramBin } from '../../../types/histogram.js';
export type CumulativePoint = {
    binsCumulative: number;
    baseCumulative: number;
    seriesId: string;
};
export type MapStackedPoint = Map<string, CumulativePoint>;
/**
 * Gets the stacked key for the mapStackedPoints Map
 *
 * @param bin - Current bin
 * @param unit - Current series unit
 * @returns - Stacked key to access the mapStackedPoints
 */
export declare function getStackedKeyByUnit(bin: HistogramBin, unit: ChartUnit): string;
/**
 * Gets the cumulative point value from the mapStackedPoints given the new value.
 *
 * @param mapStackedPoints - Given MapStackedPoint map
 * @param bin - Current datapoint
 * @param unit - Current series unit
 * @param seriesId - Current series id
 * @param value - Current modified value of the datapoint
 * @returns - CumulativePoint
 */
export declare function getCumulativeValue(mapStackedPoints: MapStackedPoint, bin: HistogramBin, unit: ChartUnit, seriesId: string, value?: number): {
    cumulativeValue: number;
    binsCumulative: number;
    baseCumulative: number;
    key: string;
};
/**
 * Set the new CumulativePoint to the mapStackedPoints
 *
 * @param mapStackedPoints - Given MapStackedPoint map
 * @param unit - Current series unit
 * @param seriesId - Current series id
 * @param binsCumulative - Current cumulative value of bins
 * @param baseCumulative - Current base cumulative value
 */
export declare function setCumulativeBins(mapStackedPoints: MapStackedPoint, seriesId: string, key: string, binsCumulative: number, baseCumulative: number): void;