declare const enum IP {
    OPTIONS = 4,
    HDRINCL = 3,
    TOS = 1,
    TTL = 2,
    RECVOPTS = 6,
    RETOPTS = 7,
    RECVRETOPTS = 7,
    MULTICAST_IF = 32,
    MULTICAST_TTL = 33,
    MULTICAST_LOOP = 34,
    ADD_MEMBERSHIP = 35,
    DROP_MEMBERSHIP = 36,
    UNBLOCK_SOURCE = 37,
    BLOCK_SOURCE = 38,
    ADD_SOURCE_MEMBERSHIP = 39,
    DROP_SOURCE_MEMBERSHIP = 40,
    MSFILTER = 41,
    MULTICAST_ALL = 49,
    UNICAST_IF = 50,
    ROUTER_ALERT = 5,
    PKTINFO = 8,
    PKTOPTIONS = 9,
    PMTUDISC = 10,
    MTU_DISCOVER = 10,
    RECVERR = 11,
    RECVTTL = 12,
    RECVTOS = 13,
    MTU = 14,
    FREEBIND = 15,
    IPSEC_POLICY = 16,
    XFRM_POLICY = 17,
    PASSSEC = 18,
    TRANSPARENT = 19,
    ORIGDSTADDR = 20,
    RECVORIGDSTADDR = 20,
    MINTTL = 21,
    PMTUDISC_DONT = 0,
    PMTUDISC_WANT = 1,
    PMTUDISC_DO = 2,
    PMTUDISC_PROBE = 3,
    DEFAULT_MULTICAST_TTL = 1,
    DEFAULT_MULTICAST_LOOP = 1,
    MAX_MEMBERSHIPS = 20
}
export default IP;