import React, { ReactNode } from 'react';
import './barGraph.css';
declare const BarGraph: {
    (props: BarGraphProps): React.JSX.Element | null;
    defaultProps: DefaultProps;
};
export declare type BarData = [string, number, string];
declare type DefaultProps = {
    axisColor: string;
    topMargin: number;
    bottomMargin: number;
    maxBarWidth: number;
    getBarTopTextUI: (textX: number, textY: number, barData: BarData) => SVGElement | null;
    getTooltipUI: (index: number, x: number, y: number, barHeight: number) => ReactNode;
    showAxis: boolean;
    hideAxisBottomLine?: boolean;
    showTooltip?: boolean;
    axisLabelFontSize?: number;
    axisLabelColor?: string;
    bottomAxisHeight: number;
};
declare type RequiredProps = {
    data: BarData[];
    width: number;
    height: number;
};
export declare type BarGraphProps = RequiredProps & DefaultProps;
export default BarGraph;