declare class Channel {
    /**
     * io 实例化对象
     */
    ioIns: any;
    /**
     * 已存在的订阅列表
     */
    listeners: never[];
    /**
     * 调试信息 记录订阅/反订阅次数
     */
    subscribeListenerId: never[];
    unSubscribeListenerId: never[];
    init: () => void;
    retry: (listener: {
        [x: string]: any;
        lastRetryInterval: number | undefined;
        intervalId: NodeJS.Timeout;
    } | undefined) => void;
    doEmit: (topic: any, req: any, listenerId: any) => void;
    subscribe(topic: any, req: any, handle: any): () => void;
    unSubscribe(topic: any, req: any, handleId: any, listenerId: any): void;
}
declare const channelIns: Channel;
export default channelIns;