import * as graphic from '../../util/graphic';
import { TreeNode } from '../../data/Tree';
import SunburstSeriesModel from './SunburstSeries';
import GlobalModel from '../../model/Global';
declare class SunburstPiece extends graphic.Sector {
    node: TreeNode;
    private _seriesModel;
    private _ecModel;
    constructor(node: TreeNode, seriesModel: SunburstSeriesModel, ecModel: GlobalModel);
    updateData(firstCreate: boolean, node: TreeNode, seriesModel?: SunburstSeriesModel, ecModel?: GlobalModel): void;
    _updateLabel(seriesModel: SunburstSeriesModel): void;
}
export default SunburstPiece;
