import { GrammarTreeVisitor } from "../tree/walkers/GrammarTreeVisitor.js";
import { MultiMap } from "stringtemplate4ts";
import { ActionAST } from "../tool/ast/ActionAST.js";
import { AltAST } from "../tool/ast/AltAST.js";
import { GrammarAST } from "../tool/ast/GrammarAST.js";
import type { GrammarRootAST } from "../tool/ast/GrammarRootAST.js";
import { RuleAST } from "../tool/ast/RuleAST.js";
import { Grammar } from "../tool/Grammar.js";
import { Rule } from "../tool/Rule.js";
export declare class RuleCollector extends GrammarTreeVisitor {
    /** Which grammar are we checking? */
    g: Grammar;
    nameToRuleMap: Map<string, Rule>;
    ruleToAltLabels: MultiMap<string, GrammarAST>;
    altLabelToRuleName: Map<string, string>;
    private grammarCaseInsensitive;
    constructor(g: Grammar);
    process(ast: GrammarRootAST): void;
    discoverRule(rule: RuleAST, id: GrammarAST, modifiers: GrammarAST[], arg: ActionAST | undefined, returns: ActionAST | undefined, thrws: GrammarAST, options: GrammarAST, locals: ActionAST | undefined, actions: GrammarAST[], block: GrammarAST): void;
    discoverOuterAlt(alt: AltAST): void;
    grammarOption(id: GrammarAST, valueAST: GrammarAST): void;
    discoverLexerRule(rule: RuleAST, id: GrammarAST, modifiers: GrammarAST[], options: GrammarAST | null, block: GrammarAST): void;
    private getCaseInsensitiveValue;
}