import { ElementRef } from '@angular/core';
import { D3ChartDirective, D3Element, D3MarginDirective } from './chart';
export declare class D3LineDirective extends D3Element {
    name: string;
    stroke: string;
    xDataName: any;
    yDataName: any;
    xScaleName: string;
    yScaleName: string;
    private _xScale;
    private _yScale;
    private _line;
    private _linePath;
    constructor(chart: D3ChartDirective, el: ElementRef, margin?: D3MarginDirective);
    redraw(): void;
    private readonly xScale;
    private readonly yScale;
    private x(d);
    private y(d);
}