import { Description } from "./Description";
import { WebGroupByKeyDescription } from "./WebGroupByKeyDescription";
import { Type } from "./type";
/**
 * @hidden
 */
export declare class WebGroupByExpandStateDescription extends Description {
    static $t: Type;
    protected get_type(): string;
    get type(): string;
    constructor();
    private m;
    get expanded(): boolean;
    set expanded(a: boolean);
    private k;
    get hierarchy(): WebGroupByKeyDescription[];
    set hierarchy(a: WebGroupByKeyDescription[]);
}