import D3Chart from '../D3Chart';
import { PieOpts, Layout } from './PieOptions';
/**
 * 双层相关环圈图
*/
export default class extends D3Chart<PieOpts> {
    __ClassName: string;
    innerRadius: number;
    outerRadius: number;
    radius: number;
    padding: number;
    layout: Layout;
    init(): void;
    sort(): void;
    build(): void;
    _showTip(d: any): void;
    update(): void;
}
