import { FileParser, ProjectFile } from "@atomist/automation-client";
import { PathExpression, TreeNode } from "@atomist/tree-path";
import { ANTLRInputStream, Lexer, Parser, TokenStream } from "antlr4ts";
/**
 * Required functions on a lexer class generated by ANTLR
 */
export interface LexerClass {
    readonly ruleNames: string[];
    new (is: ANTLRInputStream): Lexer;
}
/**
 * Required functions on a parser class generated by ANTLR
 */
export interface ParserClass {
    readonly ruleNames: string[];
    new (ts: TokenStream): Parser;
}
/**
 * Generic FileParser implementation based on an ANTLR grammars.
 */
export declare class AntlrFileParser implements FileParser {
    rootName: string;
    private readonly lexerClass;
    private readonly parserClass;
    /**
     * Create a generic FileParser using an ANTLR grammar.
     * Use like this, passing in the lexer and parser classes:
     * const p = new AntlrFileParser("compilationUnit", JavaLexer, JavaParser);
     * @param {string} rootName name of top level production.
     * @param lexerClass lexer class
     * @param parserClass parser class
     */
    constructor(rootName: string, lexerClass: LexerClass, parserClass: ParserClass);
    toAst(f: ProjectFile): Promise<TreeNode>;
    validate(pex: PathExpression): void;
}