import { type XYChartAxisDirection, XYChartAxisInternal, type XYChartOrientation, type XYChartStackingValueBoundaries } from '../../../types/xy-chart-internals.js';
import { type BarDatapoint, type BarSeriesVariant } from '../../../types/xy-chart.js';
export declare const getCombinedAxesOrientationKey: (xAxisId: string, yAxisId: string, chartOrientation: "vertical" | "horizontal") => string;
export declare const getStackingData: (chartOrientation: "vertical" | "horizontal", datapoint: BarDatapoint, xAxis: XYChartAxisInternal, yAxis: XYChartAxisInternal) => {
    stackKey: string;
    value: import("../../../types/xy-chart.js").XYAccessorDataTypes | undefined;
};
export declare const getBaselineCoordinate: (orientation?: XYChartOrientation) => XYChartAxisDirection;
export declare const isStackable: (variant: BarSeriesVariant, chartOrientation: "vertical" | "horizontal" | "both" | undefined, xAxis: XYChartAxisInternal, yAxis: XYChartAxisInternal) => boolean;
export declare const getStackedValue: (value: number, prevValue: XYChartStackingValueBoundaries) => {
    minBoundary: number;
    maxBoundary: number;
};