import Plot from './plot';
import { PlotData, DifferentialPlotOptions, PlotOptions } from './interfaces';
import { Scale, Range } from '../common/interfaces';
/**
 * Differential plot
 */
export default class DifferentialPlot extends Plot<DifferentialPlotOptions> {
    scale1: Scale;
    scale2: Scale;
    data: [PlotData, PlotData];
    extent: [number, number];
    constructor(id: string | number, options?: DifferentialPlotOptions);
    setData(data: any, scale?: Scale, plotOptions?: Map<string | number, PlotOptions>): DifferentialPlot;
    /**
     * Override of base to support multiple scales
     */
    setRange(range: Range): DifferentialPlot;
    /**
     * Update plot options
     */
    setOption(key: string, value: any): DifferentialPlot;
    updateDynamicScale(data: any, graphOptions: any): void;
    /**
     * Renders differential plot to canvas context
     */
    plot(ctx: CanvasRenderingContext2D, scale: Scale): void;
}