import React from 'react';
import { UnitPosition } from "../_private/components/BarChart/index";
import { FormatValue } from "../_private/types";
declare type CommonAxisShowPosition = 'both' | 'none';
export declare type XAxisShowPosition = 'top' | 'bottom' | CommonAxisShowPosition;
export declare type YAxisShowPosition = 'left' | 'right' | CommonAxisShowPosition;
export declare type Column = number | undefined;
export declare type Group = {
    groupName: string;
    values: readonly [Column, Column];
};
declare type Props = {
    groups: readonly Group[];
    colors: readonly [string, string];
    gridTicks: number;
    valuesTicks: number;
    size: 's' | 'm';
    xAxisShowPosition: XAxisShowPosition;
    yAxisShowPosition: YAxisShowPosition;
    unit?: string;
    unitPosition?: UnitPosition;
    showValues?: boolean;
    formatValueForLabel?: FormatValue;
    formatValueForTooltip?: FormatValue;
};
export declare const TornadoChart: React.FC<Props>;
export {};