import { RingSeriesBase } from "./RingSeriesBase";
import { RingCollection } from "./RingCollection";
import { Type } from "igniteui-react-core";
/**
 * @hidden
 */
export declare class HierarchicalRingSeries extends RingSeriesBase {
    static $t: Type;
    constructor();
    ep: RingCollection;
    et: string;
    au(): RingCollection;
    protected c4(a: any, b: string, c: any, d: any): void;
    c3(): void;
    c2(): void;
    c8(): void;
    c7(): void;
    private es;
    private eq;
    private eo;
    private er;
    private ev;
    static $$p: string[];
}