import * as d3 from 'd3';
import { Scale } from './Scale';
export declare class OrdinalScale extends Scale {
    render(): void;
    set_range(range: any, padding: any): void;
    expand_domain(old_range: any, new_range: any): void;
    invert(pixel: any): string;
    invert_range(pixels: any): string[];
    scale: d3.ScaleBand<string>;
}
export declare function isOrdinalScale(scale: Scale): scale is OrdinalScale;
