import "reflect-metadata";
import { LexTree } from "./Lexer";
import { ParseTree } from "./Parser";
export declare function skipOneChild(target: any, key: string, descriptor: PropertyDescriptor): PropertyDescriptor;
export declare class Visitor<T, S> {
    visit(state: S, tree: ParseTree | LexTree, ...args: any[]): T;
    visitChildren(state: S, tree: ParseTree, ...args: any[]): T;
}