/**
 * Build the nip.io base domain for a cluster.
 *
 * The IP is encoded with dashes (`162-55-56-10.nip.io`) so the per-cluster
 * token (which may end in digits) cannot collide with nip.io's greedy IPv4
 * extraction across labels.
 */
export declare function buildNipBaseDomain(masterIp: string, token?: string | null): string;
