import { Description } from "./Description";
import { Type } from "./type";
/**
 * @hidden
 */
export declare class WebGroupByKeyDescription extends Description {
    static $t: Type;
    protected get_type(): string;
    get type(): string;
    constructor();
    private m;
    get fieldName(): string;
    set fieldName(a: string);
    private k;
    get value(): any;
    set value(a: any);
}