/**
 * Baked-in server public keys for DHT discovery.
 *
 * These secp256k1 compressed public keys (33 bytes) are compiled into the
 * client SDK so that clients can derive the server's PeerID and discover
 * it via DHT without needing to know its IP address.
 *
 * To update: replace the hex string with the server's secp256k1 compressed
 * public key (33 bytes, hex-encoded). The key can be obtained from the
 * server's xpub at the BIP-44 identity path m/44'/0'/0'.
 *
 * At build time, these can be overridden via environment variables:
 *   SDN_LICENSE_SERVER_PUBKEY_HEX
 *   SDN_LICENSE_SERVER_XPUB
 */
/** Hex-encoded secp256k1 compressed public key of the OrbPro license server (33 bytes). */
export declare const LICENSE_SERVER_PUBKEY_HEX: string;
/** xpub of the OrbPro license server (Base58Check). PeerID is derivable from this. */
export declare const LICENSE_SERVER_XPUB: string;
/** Convert hex string to Uint8Array. */
export declare function hexToBytes(hex: string): Uint8Array;
/** Get the license server secp256k1 public key as bytes. */
export declare function getLicenseServerPubkey(): Uint8Array;
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