/**
 * @license
 * Copyright 2022-2026 Matter.js Authors
 * SPDX-License-Identifier: Apache-2.0
 */
import { DnsRecord } from "#codec/DnsCodec.js";
import { Duration } from "#time/Duration.js";
import { Entropy } from "#util/Entropy.js";
import { Lifetime } from "#util/Lifetime.js";
import { Observable } from "#util/Observable.js";
import { DnssdName } from "./DnssdName.js";
import { QueryMulticaster } from "./DnssdSolicitor.js";
import { MdnsSocket } from "./MdnsSocket.js";
/**
 * Names collected via DNS-SD.
 *
 * TODO - API is designed to support Avahi, Bonjour etc. but current implementation is tied to local MDNS
 */
export declare class DnssdNames {
    #private;
    constructor({ socket, lifetime, entropy, filter, goodbyeProtectionWindow, minTtl, }: DnssdNames.Context);
    /**
     * Test for existence of name.
     */
    has(name: string): boolean;
    /**
     * Retrieve the {@link DnssdName} for {@link name}.
     *
     * This will create the name if it does not exist, and if you do not add an observer then it will not automatically
     * delete if there are no records.  So if you may not use the record test for existence with {@link has} first.
     */
    get(qname: string): DnssdName;
    /**
     * Retrieve the {@link DnssdName} if known.
     */
    maybeGet(name: string): DnssdName | undefined;
    /**
     * Wait for all workers and close all names.
     */
    close(): Promise<void>;
    get socket(): MdnsSocket;
    /**
     * Emits when a {@link DnssdName} is first discovered.
     */
    get discovered(): Observable<[name: DnssdName], void>;
    /**
     * Shared solicitor.
     *
     * We offer solicitation in this object so there is not redundant solicitation across interested parties.
     */
    get solicitor(): QueryMulticaster;
    get entropy(): Entropy;
}
export declare namespace DnssdNames {
    interface Context {
        socket: MdnsSocket;
        lifetime?: Lifetime.Owner;
        entropy: Entropy;
        /**
         * Identify relevant records coming in on the wire for inclusion in the name set.
         *
         * Observed names are considered relevant even if filtered here.
         */
        filter?: (record: DnsRecord) => boolean;
        /**
         * The interval after discovering a record for which we ignore goodbyes.
         *
         * This serves as protection for out-of-order messages when a device expires then broadcasts the same record
         * in a very short amount of time.
         */
        goodbyeProtectionWindow?: Duration;
        /**
         * Minimum TTL for PTR records.
         */
        minTtl?: Duration;
    }
    const defaults: {
        goodbyeProtectionWindow: Duration;
        minTtl: Duration;
    };
}
//# sourceMappingURL=DnssdNames.d.ts.map