/// <reference types="node" />
import { FastFIFO } from "../fast_fifo.js";
import { MulticastInterface } from "../mdns/multicast_interface.js";
export type BrowseOpts = {
    /** The kind of service you wish to browse. */
    service: {
        type: string;
        protocol: "tcp" | "udp";
        subtypes?: string[];
    };
    multicastInterface: MulticastInterface;
    signal?: AbortSignal;
};
/** A service discovered via multicast DNS-SD. */
export type Service = {
    name: string;
    type: string;
    subtypes: string[];
    protocol: "tcp" | "udp";
    host: string;
    port: number;
    txt: Record<string, true | Uint8Array | null>;
    /** Whether the service is active or not. Will be `false` when a service responder has indicated it is going offline. */
    isActive: boolean;
};
/** Searches for DNS-SD services on the local network.
 *
 * ```
 * for await (
 *   const service of browse({
 *     multicastInterface: new MulticastInterface(),
 *     service: {
 *       protocol: "tcp",
 *       type: "http",
 *     },
 *   })
 * ) {
 *   if (service.isActive) {
 *     console.log(`📡 ${service.name} - ${service.host}:${service.port}`);
 *   }
 * }
 * ```
 */
export declare function browse(opts: BrowseOpts): FastFIFO<Service>;