import { ComparisonExprContext, Visitor as VtlVisitor } from "@making-sense/vtl-2-1-antlr-tools-ts";
import { Bindings, VisitorResult } from "../model";
import ExpressionVisitor from "./Expression";
declare class ComparisonVisitor extends VtlVisitor<VisitorResult | null> {
    exprVisitor: ExpressionVisitor;
    constructor(exprVisitor: ExpressionVisitor);
    visitComparisonExpr: (ctx: ComparisonExprContext) => {
        resolve: (bindings: Bindings) => boolean | null;
        type: number;
    };
}
export default ComparisonVisitor;