import { Visitor } from './expression.visitor';
export declare class MarkupVisitor extends Visitor {
    private label;
    private type;
    private isValid;
    constructor(label: (key: string) => string, type: (key: string) => string, isValid: (key: string, value: any) => boolean);
    visitGroup(group: any, depth: any): string;
    visitUnary(condition: any): string;
    visitBinary(condition: any): string;
    visitBetween(condition: any): string;
    visitIn(condition: any): string;
}