import { DEFAULT_DELIMITER, DEFAULT_QUOTATION } from '../../core/constants';
import { CSVLexerLexOptions, StringCSVLexer, StringCSVLexerOptions, Token } from '../../core/types';
export declare class FlexibleStringCSVLexer<DelimiterType extends string = DEFAULT_DELIMITER, Quotation extends string = DEFAULT_QUOTATION, TrackLocation extends boolean = false> implements StringCSVLexer<TrackLocation> {
    #private;
    constructor(options?: StringCSVLexerOptions<DelimiterType, Quotation, TrackLocation>);
    /**
     * Lexes the given chunk of CSV data.
     * @param chunk - The chunk of CSV data to be lexed. Omit to flush remaining data.
     * @param options - Lexer options.
     * @returns An iterable iterator of tokens.
     */
    lex(chunk?: string, options?: CSVLexerLexOptions): IterableIterator<Token<TrackLocation>>;
}