import React from 'react';
import { Threshold, UnitPosition } from "../_private/components/BarChart/index";
import { FormatValue } from "../_private/types";
export declare type Column = number | undefined;
export declare type Group = {
    groupName: string;
    values: readonly Column[];
};
declare type Props = {
    groups: readonly Group[];
    colors: readonly string[];
    gridTicks: number;
    valuesTicks: number;
    unit?: string;
    unitPosition?: UnitPosition;
    size?: 's' | 'm' | 'auto';
    showValues?: boolean;
    isHorizontal?: boolean;
    isXAxisLabelsSlanted?: boolean;
    threshold?: Threshold;
    formatValueForLabel?: FormatValue;
    formatValueForTooltip?: FormatValue;
    isEmptyColumnsHidden?: boolean;
};
export declare const BarChart: React.FC<Props>;
export {};