import { Token } from "antlr4ng";
import { type ILeftRecursiveRuleAltInfo } from "../../analysis/ILeftRecursiveRuleAltInfo.js";
import { type Alternative } from "../Alternative.js";
import { type GrammarAST } from "./GrammarAST.js";
import { type IGrammarASTVisitor } from "./IGrammarASTVisitor.js";
import { GrammarASTWithOptions } from "./GrammarASTWithOptions.js";
/** Any ALT (which can be child of ALT_REWRITE node) */
export declare class AltAST extends GrammarASTWithOptions {
    readonly astType: string;
    alt: Alternative;
    /** If we transformed this alt from a left-recursive one, need info on it */
    leftRecursiveAltInfo?: ILeftRecursiveRuleAltInfo;
    /**
     * If someone specified an outermost alternative label with #foo. Token type will be ID.
     */
    altLabel?: GrammarAST;
    constructor(node: AltAST | Token);
    constructor(type: number, t?: Token, text?: string);
    dupNode(): AltAST;
    visit<T>(v: IGrammarASTVisitor<T>): T;
}