/**
 * 心跳基类
 */
import { Callback } from "types";
export declare class Heart {
    heartTimeOut: number;
    ServerHeartTimeOut: number;
    timeout: number;
    constructor();
    reset(): void;
    /**
     * 启动心跳
     * @param {Function} cb 回调函数
     */
    start(cb: Callback): void;
}