import { Tool } from "../Tool.js";
import type { SupportedLanguage } from "../codegen/CodeGenerator.js";
import { Grammar } from "../tool/Grammar.js";
import { LeftRecursiveRule } from "../tool/LeftRecursiveRule.js";
import { Rule } from "../tool/Rule.js";
import { GrammarRootAST } from "../tool/ast/GrammarRootAST.js";
import { RuleAST } from "../tool/ast/RuleAST.js";
/**
 * Remove left-recursive rule refs, add precedence args to recursive rule refs.
 *  Rewrite rule so we can create ATN.
 *
 *  MODIFIES grammar AST in place.
 */
export declare class LeftRecursiveRuleTransformer {
    ast: GrammarRootAST;
    rules: Rule[];
    g: Grammar;
    tool: Tool;
    constructor(ast: GrammarRootAST, rules: Rule[], g: Grammar);
    translateLeftRecursiveRules(): void;
    /** @returns true if successful */
    translateLeftRecursiveRule(context: GrammarRootAST, r: LeftRecursiveRule, language: SupportedLanguage): boolean;
    parseArtificialRule(g: Grammar, ruleText: string): RuleAST | undefined;
    setAltASTPointers(r: LeftRecursiveRule, t: RuleAST): void;
}