import { GroupByOrExceptContext, Visitor as VtlVisitor } from "@making-sense/vtl-2-1-antlr-tools-ts";
import { Component } from "../model";
declare class GroupVisitor extends VtlVisitor<string[]> {
    dataStructure: Component[];
    groupBy: Array<string>;
    constructor(dataStructure: Component[]);
    defaultResult: () => string[];
    visitGroupByOrExcept: (ctx: GroupByOrExceptContext) => string[];
}
export default GroupVisitor;