import type { Logger } from '../types.js';
export interface DiscoverOptions {
    port: number;
    /** Only include peers carrying this Tailscale ACL tag (e.g. "tag:robopark"). */
    tag?: string;
    logger?: Logger;
}
/** Return mesh base URLs (http://ip:port) for online Tailscale peers. */
export declare function discoverTailscalePeers(opts: DiscoverOptions): Promise<string[]>;
/** True if the Tailscale CLI is available on this host. */
export declare function tailscaleAvailable(): Promise<boolean>;