import { WebSortingExpressionDescription } from "./WebSortingExpressionDescription";
import { Type } from "./type";
/**
 * @hidden
 */
export declare class WebGroupingExpressionDescription extends WebSortingExpressionDescription {
    static $t: Type;
    protected get_type(): string;
    private static __marshalByValue2;
    private static __marshalByValueAlias2;
    constructor();
}