import * as d3Scale from 'd3-scale';
import { Scale } from './Scale';
import { ColorScale } from './ColorScale';
import { DateColorScaleModel } from './DateColorScaleModel';
export declare class DateColorScale extends ColorScale {
    protected createD3Scale(): void;
    scale: d3Scale.ScaleTime<Date, string>;
    model: DateColorScaleModel;
}
export declare function isDateColorScale(scale: Scale): scale is DateColorScale;