pandora-metrics/dist/util/Mutex.d.ts

## Overview

/**
 * @fileOverview
 * @author 凌恒 <jiakun.dujk@alibaba-inc.com>
 * @copyright 2017 Alibaba Group.
 */
export declare class Mutex {
    private locked;
    private waiting;
    private timer;
    /**
     * 尝试获取锁
     * @param {number} ttl - 超时时间
     * @returns {boolean}
     */
    tryLock(ttl?: number): boolean;
    lock(cb: any): void;
    wait(cb: any): void;
    unlock(): void;
}