import { type TokenStream } from "antlr4ng";
import { type GrammarSpecContext, type RuleSpecContext } from "../generated/ANTLRv4Parser.js";
import { GrammarAST } from "../tool/ast/GrammarAST.js";
import { GrammarRootAST } from "../tool/ast/GrammarRootAST.js";
/**
 * Converts a grammar spec parse tree into a grammar AST.
 */
export declare class ParseTreeToASTConverter {
    /**
     * Converts the grammar parse tree to an abstract syntax tree (AST).
     * We generate here the same tree structure as produced by the old ANTlR 3.x parser.
     *
     * @param grammarSpec The root context of the grammar parse tree.
     * @param tokens The token stream to use for the AST nodes.
     *
     * @returns The generated AST.
     */
    static convertGrammarSpecToAST(grammarSpec: GrammarSpecContext, tokens: TokenStream): GrammarRootAST;
    static convertRuleSpecToAST(rule: RuleSpecContext, ast: GrammarAST): GrammarAST | undefined;
    private static convertRuleBlockToAST;
    private static convertRulerefToAST;
    private static convertPrequelConstructToAST;
    private static convertRulesToAST;
    private static convertModeSpecToAST;
    private static convertOptionsSpecToAST;
    private static convertDelegateGrammarsToAST;
    private static convertTokensSpec;
    private static convertChannelsSpecToAST;
    private static convertActionRuleToAST;
    private static convertAtomToAST;
    private static convertBlockToAST;
    private static convertEbnfSuffixToAST;
    private static convertEbnfToAST;
    private static convertActionElementToAST;
    private static convertActionBlockToAST;
    private static convertArgActionBlockToAST;
    private static convertPredicateOptionsToAST;
    private static convertLexerRuleSpecToAST;
    private static convertLexerRuleBlockToAST;
    private static convertLexerAltToAST;
    private static convertLexerElementsToAST;
    private static convertLexerElementToAST;
    private static convertElementOptionsToAST;
    private static convertElementOptionToAST;
    private static convertLexerCommandsToAST;
    private static convertLexerCommandToAST;
    private static convertTerminalDefToAST;
    private static convertNotSetToAST;
    private static convertSetElementToAST;
    private static convertBlockSetToAST;
    private static convertLexerAtomToAST;
    private static convertCharacterRangeToAST;
    private static convertWildcardToAST;
    private static convertRuleActionToAST;
    private static convertAltListToAST;
    private static convertAlternativeToAST;
    private static convertElementToAST;
    private static convertLabeledElementToAST;
    private static convertLexerBlockToAST;
    private static createToken;
    private static createASTNode;
    private static createVirtualASTNode;
}