/** Canonical v2 registration proof, shared with the Broker protocol test vectors. */
export declare function createTunnelRegistrationProof(input: {
    brokerUrl: string;
    platform: string;
    gatewayVersion: string;
    preferredSubdomain?: string;
    recoveryToken?: string;
}): {
    version: number;
    gatewayId: string;
    publicKey: string;
    platform: string;
    gatewayVersion: string;
    preferredSubdomain: string;
    recoveryToken: string;
    nonce: string;
    expiresAt: number;
    signature: string;
};