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