import { CartesianAxes, PolarAxes } from '../index.js';
import { Chart } from './chart.js';
export declare class ChartLine extends Chart {
    defaultToolTipFormatterCartesian(d: any): HTMLElement;
    defaultToolTipFormatterPolar(d: any): HTMLElement;
    plotterCartesian(axis: CartesianAxes, axisIndex: any): void;
    plotterPolar(axis: PolarAxes, axisIndex: any): void;
    drawLegendSymbol(_legendId?: string, asSvgElement?: boolean): SVGLineElement | SVGSVGElement;
    onPointerOver(): void;
    onPointerOut(): void;
    onPointerMove(x: number | Date, xScale: any, yScale: any): {
        point: any;
        style: {
            color?: undefined;
        };
    } | {
        point: any;
        style: {
            color: string;
        };
    };
}