/**
 * @module node-opcua-service-discovery
 */
import { Bonjour, Service, ServiceConfig } from "sterfive-bonjour-service";
import { Announcement } from "./Announcement";
export declare function acquireMulticastDNS(): Bonjour;
export declare function _announceServerOnMulticastSubnet(multicastDNS: Bonjour, serviceConfig: ServiceConfig): Promise<Service>;
export declare class BonjourHolder {
    #private;
    serviceConfig?: ServiceConfig;
    /**
     *
     * @param announcement
     * @returns
     */
    announcedOnMulticastSubnet(announcement: Announcement): Promise<boolean>;
    isStarted(): boolean;
    /**
     * @private
     */
    stopAnnouncedOnMulticastSubnet(): Promise<void>;
}