import { EventEmitter } from "../runtime/async/event-emitter";
export interface RecursiveDescentParser<T extends Record<string, any> = any> extends EventEmitter<T> {
    readonly input: string;
    loc: number;
    offsetToColRow: (offset: number) => ColRow;
    colRowToOffset: (colRow: ColRow) => number;
    getAroundText: (loc: number, length?: number, window?: number) => string;
    try(pattern: Pattern): Token | undefined;
    accept(pattern: Pattern): Token | undefined;
    expect(acceptPattern: Pattern, expectedPatterns?: Pattern[], mistakePatterns?: Pattern[]): Token;
}
export interface RecursiveDescentParserConfig {
    debug: boolean;
}
export interface Span {
    start: number;
    end: number;
}
export interface ColRow {
    col: number;
    row: number;
}
export interface Token extends Span {
    text: string;
}
export type Pattern = string | RegExp | typeof eof;
export declare const eof: unique symbol;
export declare function createRecursiveDescentParser<T extends Record<string, any> = any>(input: string, config?: Partial<RecursiveDescentParserConfig>): RecursiveDescentParser<T>;
export declare class SyntaxError extends Error {
    parser: RecursiveDescentParser;
    expectedPatterns: Pattern[];
    mistakePatterns: Pattern[];
    constructor(parser: RecursiveDescentParser, expectedPatterns: Pattern[], mistakePatterns?: Pattern[]);
    get got(): string | typeof eof;
    get colRow(): ColRow;
}