import { LexerInterface } from '../types/interfaces';
/**
 * 词法解析器，主要根据设计的规则对message进行处理成Token
 */
declare class Lexer<T> implements LexerInterface<T> {
    readonly startState: string;
    readonly unionReg: Record<string, any>;
    private buffer;
    private stack;
    private index;
    private line;
    private col;
    private queuedText;
    private state;
    private groups;
    private error;
    private regexp;
    private fast;
    private queuedGroup;
    private value;
    constructor(unionReg: Record<string, any>, startState: string);
    /**
     *  根据新的消息重置解析器
     * @param data 消息数据
     */
    reset(data?: string): this;
    private setState;
    private popState;
    private pushState;
    private getGroup;
    private tokenToString;
    /**
     * 迭代获取下一个 token
     */
    next(): {
        type: any;
        value: any;
        text: string;
        toString: () => string;
        offset: number;
        lineBreaks: number;
        line: number;
        col: number;
    } | undefined;
    /**
     * 获取Token
     * @param group 解析模板后获得的属性值
     * @param text 文本属性的信息
     * @param offset 偏移量
     * @private
     */
    private getToken;
    [Symbol.iterator](): {
        next: () => IteratorResult<T>;
    };
}
export default Lexer;