/**
 * Maximum over-the-wire size of a Transaction
 *
 * 1280 is IPv6 minimum MTU
 * 40 bytes is the size of the IPv6 header
 * 8 bytes is the size of the fragment header
 */
export declare const PACKET_DATA_SIZE: number;
export declare const VERSION_PREFIX_MASK = 127;
export declare const SIGNATURE_LENGTH_IN_BYTES = 64;