import { CartesianAxes, PolarAxes } from '../index.js';
import { Chart } from './chart.js';
export declare class ChartMatrix extends Chart {
    static readonly GROUP_CLASS: 'chart-matrix';
    plotterCartesian(axis: CartesianAxes, axisIndex: any): void;
    plotterPolar(axis: PolarAxes, dataKeys: any): void;
    drawLegendSymbol(legendId?: string, asSvgElement?: boolean): SVGGElement;
    getColorMap(scale?: any): (x: number | Date) => string;
    setPadding(scale: any, options: any): void;
}