/**
 * mDNS Discovery for Dyson Devices
 * Discovers Dyson devices on the local network via mDNS/Bonjour
 */
import { Bonjour } from 'bonjour-service';
/** Default discovery timeout in milliseconds */
export declare const DEFAULT_DISCOVERY_TIMEOUT = 10000;
/**
 * Discovery result containing device serial and IP address
 */
export interface DiscoveredDevice {
    /** Device serial number extracted from mDNS name */
    serial: string;
    /** Device IP address (IPv4 preferred) */
    ipAddress: string;
    /** Device hostname */
    hostname: string;
    /** mDNS service port */
    port: number;
}
/**
 * Options for mDNS discovery
 */
export interface DiscoveryOptions {
    /** Discovery timeout in milliseconds (default: 10000) */
    timeout?: number;
    /** Stop after finding this many devices (0 = find all) */
    maxDevices?: number;
}
/** Bonjour factory type for dependency injection */
export type BonjourFactory = () => Bonjour;
/**
 * mDNS Discovery for Dyson devices
 * Discovers devices advertising the _dyson_mqtt._tcp service
 *
 * @example
 * ```typescript
 * const discovery = new MdnsDiscovery();
 * const devices = await discovery.discover();
 * // devices is Map<serial, ipAddress>
 * ```
 */
export declare class MdnsDiscovery {
    private bonjour;
    private browser;
    private readonly bonjourFactory;
    constructor(bonjourFactory?: BonjourFactory);
    /**
     * Discover Dyson devices on the local network
     *
     * @param options - Discovery options
     * @returns Map of device serial numbers to IP addresses
     */
    discover(options?: DiscoveryOptions): Promise<Map<string, string>>;
    /**
     * Discover devices and return detailed information
     *
     * @param options - Discovery options
     * @returns Array of discovered device details
     */
    discoverDetailed(options?: DiscoveryOptions): Promise<DiscoveredDevice[]>;
    /**
     * Stop any ongoing discovery
     */
    stop(): void;
    /**
     * Parse mDNS service into device info
     * Service name format: {serial}_dyson_mqtt._tcp.local
     */
    private parseService;
    /**
     * Extract serial number from mDNS service name
     */
    private extractSerial;
    /**
     * Get IPv4 address from service, preferring IPv4 over IPv6
     */
    private getIPv4Address;
    /**
     * Check if address is IPv4
     */
    private isIPv4;
    /**
     * Validate and clamp timeout value
     */
    private validateTimeout;
    /**
     * Clean up bonjour resources
     */
    private cleanup;
}
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