import type { Logger } from '../types.js';
export declare const DEFAULT_LAN_DISCOVERY_PORT = 47915;
export interface DiscoveredLanPeer {
    nodeId: string;
    name: string;
    role: string;
    url: string;
    address: string;
    tag?: string;
}
export interface LanBeaconOptions {
    nodeId: string;
    name: string;
    role: string;
    /** The mesh (HTTP+SSE) port this node advertises. */
    meshPort: number;
    /** Only match peers carrying this tag (mirrors Tailscale --tag). */
    tag?: string;
    /** Whether this node's mesh requires a token (informational only). */
    auth?: boolean;
    /** UDP port to broadcast/listen on (default 47915). */
    discoveryPort?: number;
    /** Broadcast cadence (default 5s). */
    intervalMs?: number;
    logger?: Logger;
    /** Called when a *different* node's beacon is heard. */
    onPeer: (peer: DiscoveredLanPeer) => void;
}
/** Periodically broadcasts a discovery beacon and reports peers it hears. */
export declare class LanBeacon {
    private opts;
    private sock?;
    private timer?;
    private readonly port;
    private readonly intervalMs;
    private stopped;
    constructor(opts: LanBeaconOptions);
    start(): void;
    private beaconPayload;
    private broadcast;
    private onMessage;
    stop(): void;
}