import { GrammarTreeVisitor } from "../tree/walkers/GrammarTreeVisitor.js";
import { ActionAST } from "../tool/ast/ActionAST.js";
import { AltAST } from "../tool/ast/AltAST.js";
import { GrammarAST } from "../tool/ast/GrammarAST.js";
import { GrammarASTWithOptions } from "../tool/ast/GrammarASTWithOptions.js";
import { PredAST } from "../tool/ast/PredAST.js";
import { RuleAST } from "../tool/ast/RuleAST.js";
import { TerminalAST } from "../tool/ast/TerminalAST.js";
import { Grammar } from "../tool/Grammar.js";
import { Rule } from "../tool/Rule.js";
/**
 * Collects (create) rules, terminals, strings, actions, scopes etc... from AST side-effects: sets resolver field
 * of asts for actions and defines predicates via definePredicateInAlt(), collects actions and stores in alts.
 * TODO: remove side-effects!
 */
export declare class SymbolCollector extends GrammarTreeVisitor {
    /** which grammar are we checking */
    g: Grammar;
    ruleRefs: GrammarAST[];
    qualifiedRuleRefs: GrammarAST[];
    terminals: GrammarAST[];
    tokenIDRefs: GrammarAST[];
    strings: Set<string>;
    tokensDefs: GrammarAST[];
    channelDefs: GrammarAST[];
    currentRule: Rule | null;
    /** Track action name node in @parser::members {...} or @members {...} */
    readonly namedActions: GrammarAST[];
    constructor(g: Grammar);
    process(ast: GrammarAST): void;
    globalNamedAction(scope: GrammarAST, id: GrammarAST, action: ActionAST): void;
    defineToken(id: GrammarAST): void;
    defineChannel(id: GrammarAST): void;
    discoverRule(rule: RuleAST, id: GrammarAST, modifiers: GrammarAST[], arg: ActionAST, returns: ActionAST, throws: GrammarAST, options: GrammarAST, locals: ActionAST, actions: GrammarAST[], block: GrammarAST): void;
    discoverLexerRule(rule: RuleAST, id: GrammarAST, modifiers: GrammarAST[], options: GrammarAST, block: GrammarAST): void;
    discoverOuterAlt(alt: AltAST): void;
    actionInAlt(action: ActionAST): void;
    sempredInAlt(pred: PredAST): void;
    ruleCatch(arg: GrammarAST, action: ActionAST): void;
    finallyAction(action: ActionAST): void;
    label(op: GrammarAST, id: GrammarAST, element: GrammarAST): void;
    stringRef(ref: TerminalAST): void;
    tokenRef(ref: TerminalAST): void;
    ruleRef(ref: GrammarAST, arg: ActionAST): void;
    grammarOption(_id: GrammarAST, valueAST: GrammarAST): void;
    ruleOption(_id: GrammarAST, valueAST: GrammarAST): void;
    blockOption(_id: GrammarAST, valueAST: GrammarAST): void;
    elementOption(t: GrammarASTWithOptions, id: GrammarAST, valueAST: GrammarAST): void;
    /** In case of option id={...}, set resolve in case they use $foo */
    private setActionResolver;
}