import { WorkerServerOptions } from "./WorkerServerOptions";
import StateClient from "./StateClient";
import { Server, Socket } from "ziron-server";
import BrokerClientPool from "./externalBroker/BrokerClientPool";
export default class WorkerServer<ES extends Socket = Socket> extends Server<{
    'sharedChange': [any];
    'leadershipChange': [boolean];
    'brokerClientsUpdate': [];
}, ES> {
    private readonly _rawJoinToken;
    private readonly brokerClusterClientMaxPoolSize;
    private readonly clusterJoinPayload;
    private readonly clusterShared;
    private readonly clusterShareAuth;
    readonly joinToken: {
        secret: string;
        uri: string;
    };
    readonly stateClient?: StateClient;
    private readonly brokerClusterClient?;
    private readonly _logger;
    get leader(): boolean;
    get shared(): any;
    /**
     * @description
     * Provides limited access to the client pool for each broker.
     * Use it only when you know what you are doing.
     * Important: do not use any destroyed client pool
     * (can be checked with the destroyed property); otherwise, you risk a memory leak.
     */
    get brokerClients(): BrokerClientPool[];
    constructor(options?: WorkerServerOptions);
    isConnectedToState(): boolean;
    join(): Promise<void | undefined>;
    listen(): Promise<void>;
    joinAndListen(): Promise<void>;
    private _setUpStateClient;
    /**
     * Terminates the worker.
     * After termination, you should not use this instance anymore
     * or anything else from the worker.
     * [Use this method only when you know what you do.]
     */
    terminate(): void;
}