import { OnApplicationBootstrap, OnApplicationShutdown } from '@nestjs/common';
import { DiscoveryService, MetadataScanner } from '@nestjs/core';
import { ClusterHub } from './cluster-hub';
import { ClusterHubMetadataAccessor } from './cluster-hub-metadata.accessor';
export declare class ClusterHubExplorer implements OnApplicationBootstrap, OnApplicationShutdown {
    private readonly hub;
    private readonly discoveryService;
    private readonly metadataAccessor;
    private readonly metadataScanner;
    constructor(hub: ClusterHub, discoveryService: DiscoveryService, metadataAccessor: ClusterHubMetadataAccessor, metadataScanner: MetadataScanner);
    onApplicationBootstrap(): void;
    onApplicationShutdown(): void;
    loadClusterHubListeners(): void;
    private subscribeToClusterHubIfListener;
}