import { ChartPoint, ChartSeries, ChartOptions } from '../types';
import { BaseChartRenderer } from './BaseChartRenderer';
export declare class BarChartRenderer extends BaseChartRenderer {
    render(ctx: CanvasRenderingContext2D, data: ChartPoint[] | ChartSeries[], options: ChartOptions): void;
    private drawSingleBars;
    private drawStackedBars;
    private drawGroupedBars;
    private drawHorizontalBars;
    private drawHorizontalStackedBars;
    private drawHorizontalGroupedBars;
    private roundRect;
}