import { ChartSortDescriptionDescription } from "./ChartSortDescriptionDescription";
import { Type } from "./type";
/**
 * @hidden
 */
export declare class ChartGroupDescriptionDescription extends ChartSortDescriptionDescription {
    static $t: Type;
    protected get_type(): string;
    private static __marshalByValue1;
    private static __marshalByValueAlias1;
    constructor();
}