import { RadialTreeOption, RadialTreeData } from "../interface";
import { Event } from "../models";
/**
 * 环形树图主类
 * @params data 图数据
 * @params options config配置
 */
export declare class RadialTree {
    $event: Event;
    private _store;
    private _render;
    private _layout;
    constructor(data: RadialTreeData, cusOptions: RadialTreeOption);
    private initialPattern;
    private buildAndRender;
    updateTree(state: RadialTreeOption): void;
    private doLayout;
    private doRender;
    setScale(type: any): void;
    saveImg(): void;
}