import type { IRankingBarSpec } from './interface';
import { VChart, BaseChart } from '@visactor/vchart';
import { RankingBarChartSpecTransformer } from './ranking-bar-transformer';
export declare class RankingBar extends BaseChart<Omit<IRankingBarSpec, 'color'>> {
    type: string;
    static type: string;
    static readonly view: string;
    _spec: IRankingBarSpec;
    static readonly transformerConstructor: typeof RankingBarChartSpecTransformer;
    readonly transformerConstructor: typeof RankingBarChartSpecTransformer;
    init(): void;
    protected isValid(): boolean;
}
export declare const registerRankingBarChart: (option?: {
    VChart?: typeof VChart;
}) => void;