return {
    RPL_WELCOME = 1,
    RPL_YOURHOST = 2,
    RPL_CREATED = 3,
    RPL_MYINFO = 4,
    RPL_ISUPPORT = 5,
    RPL_SNOMASK = 8,
    RPL_REDIR = 10,
    RPL_MAP = 15,
    RPL_MAPMORE = 16,
    RPL_MAPEND = 17,
    RPL_SAVENICK = 43,
    RPL_TRACELINK = 200,
    RPL_TRACECONNECTING = 201,
    RPL_TRACEHANDSHAKE = 202,
    RPL_TRACEUNKNOWN = 203,
    RPL_TRACEOPERATOR = 204,
    RPL_TRACEUSER = 205,
    RPL_TRACESERVER = 206,
    RPL_TRACENEWTYPE = 208,
    RPL_TRACECLASS = 209,
    RPL_STATSLINKINFO = 211,
    RPL_STATSCOMMANDS = 212,
    RPL_STATSCLINE = 213,
    RPL_STATSNLINE = 214,
    RPL_STATSILINE = 215,
    RPL_STATSKLINE = 216,
    RPL_STATSQLINE = 217,
    RPL_STATSYLINE = 218,
    RPL_ENDOFSTATS = 219,
    RPL_STATSPLINE = 220,
    RPL_UMODEIS = 221,
    RPL_STATSFLINE = 224,
    RPL_STATSDLINE = 225,
    RPL_SERVLIST = 234,
    RPL_SERVLISTEND = 235,
    RPL_STATSLLINE = 241,
    RPL_STATSUPTIME = 242,
    RPL_STATSOLINE = 243,
    RPL_STATSHLINE = 244,
    RPL_STATSSLINE = 245,
    RPL_STATSXLINE = 247,
    RPL_STATSULINE = 248,
    RPL_STATSDEBUG = 249,
    RPL_STATSCONN = 250,
    RPL_LUSERCLIENT = 251,
    RPL_LUSEROP = 252,
    RPL_LUSERUNKNOWN = 253,
    RPL_LUSERCHANNELS = 254,
    RPL_LUSERME = 255,
    RPL_ADMINME = 256,
    RPL_ADMINLOC1 = 257,
    RPL_ADMINLOC2 = 258,
    RPL_ADMINEMAIL = 259,
    RPL_TRACELOG = 261,
    RPL_ENDOFTRACE = 262,
    RPL_LOAD2HI = 263,
    RPL_LOCALUSERS = 265,
    RPL_GLOBALUSERS = 266,
    RPL_PRIVS = 270,
    RPL_WHOISCERTFP = 276,
    RPL_ACCEPTLIST = 281,
    RPL_ENDOFACCEPT = 282,
    RPL_NONE = 300,
    RPL_AWAY = 301,
    RPL_USERHOST = 302,
    RPL_ISON = 303,
    RPL_TEXT = 304,
    RPL_UNAWAY = 305,
    RPL_NOWAWAY = 306,
    RPL_WHOISHELPOP = 310,
    RPL_WHOISUSER = 311,
    RPL_WHOISSERVER = 312,
    RPL_WHOISOPERATOR = 313,
    RPL_WHOWASUSER = 314,
    RPL_ENDOFWHOWAS = 369,
    RPL_WHOISCHANOP = 316,
    RPL_WHOISIDLE = 317,
    RPL_ENDOFWHOIS = 318,
    RPL_WHOISCHANNELS = 319,
    RPL_WHOISSPECIAL = 320,
    RPL_LISTSTART = 321,
    RPL_LIST = 322,
    RPL_LISTEND = 323,
    RPL_CHANNELMODEIS = 324,
    RPL_CHANNELMLOCK = 325,
    RPL_CHANNELURL = 328,
    RPL_CREATIONTIME = 329,
    RPL_WHOISLOGGEDIN = 330,
    RPL_NOTOPIC = 331,
    RPL_TOPIC = 332,
    RPL_TOPICWHOTIME = 333,
    RPL_WHOISTEXT = 337,
    RPL_WHOISACTUALLY = 338,
    RPL_INVITING = 341,
    RPL_SUMMONING = 342,
    RPL_INVITELIST = 346,
    RPL_ENDOFINVITELIST = 347,
    RPL_EXCEPTLIST = 348,
    RPL_ENDOFEXCEPTLIST = 349,
    RPL_VERSION = 351,
    RPL_WHOREPLY = 352,
    RPL_WHOSPCRPL = 354,
    RPL_ENDOFWHO = 315,
    RPL_NAMREPLY = 353,
    RPL_WHOWASREAL = 360,
    RPL_ENDOFNAMES = 366,
    RPL_KILLDONE = 361,
    RPL_CLOSING = 362,
    RPL_CLOSEEND = 363,
    RPL_LINKS = 364,
    RPL_ENDOFLINKS = 365,
    RPL_BANLIST = 367,
    RPL_ENDOFBANLIST = 368,
    RPL_INFO = 371,
    RPL_MOTD = 372,
    RPL_INFOSTART = 373,
    RPL_ENDOFINFO = 374,
    RPL_MOTDSTART = 375,
    RPL_ENDOFMOTD = 376,
    RPL_WHOISHOST = 378,
    RPL_YOUREOPER = 381,
    RPL_REHASHING = 382,
    RPL_MYPORTIS = 384,
    RPL_NOTOPERANYMORE = 385,
    RPL_RSACHALLENGE = 386,
    RPL_TIME = 391,
    RPL_USERSSTART = 392,
    RPL_USERS = 393,
    RPL_ENDOFUSERS = 394,
    RPL_NOUSERS = 395,
    RPL_HOSTHIDDEN = 396,
    ERR_NOSUCHNICK = 401,
    ERR_NOSUCHSERVER = 402,
    ERR_NOSUCHCHANNEL = 403,
    ERR_CANNOTSENDTOCHAN = 404,
    ERR_TOOMANYCHANNELS = 405,
    ERR_WASNOSUCHNICK = 406,
    ERR_TOOMANYTARGETS = 407,
    ERR_NOORIGIN = 409,
    ERR_INVALIDCAPCMD = 410,
    ERR_NORECIPIENT = 411,
    ERR_NOTEXTTOSEND = 412,
    ERR_NOTOPLEVEL = 413,
    ERR_WILDTOPLEVEL = 414,
    ERR_MSGNEEDREGGEDNICK = 415,
    ERR_TOOMANYMATCHES = 416,
    ERR_UNKNOWNCOMMAND = 421,
    ERR_NOMOTD = 422,
    ERR_NOADMININFO = 423,
    ERR_FILEERROR = 424,
    ERR_NONICKNAMEGIVEN = 431,
    ERR_ERRONEUSNICKNAME = 432,
    ERR_NICKNAMEINUSE = 433,
    ERR_BANNICKCHANGE = 435,
    ERR_NICKCOLLISION = 436,
    ERR_UNAVAILRESOURCE = 437,
    ERR_NICKTOOFAST = 438,
    ERR_SERVICESDOWN = 440,
    ERR_USERNOTINCHANNEL = 441,
    ERR_NOTONCHANNEL = 442,
    ERR_USERONCHANNEL = 443,
    ERR_NOLOGIN = 444,
    ERR_SUMMONDISABLED = 445,
    ERR_USERSDISABLED = 446,
    ERR_NOTREGISTERED = 451,
    ERR_ACCEPTFULL = 456,
    ERR_ACCEPTEXIST = 457,
    ERR_ACCEPTNOT = 458,
    ERR_NEEDMOREPARAMS = 461,
    ERR_ALREADYREGISTRED = 462,
    ERR_NOPERMFORHOST = 463,
    ERR_PASSWDMISMATCH = 464,
    ERR_YOUREBANNEDCREEP = 465,
    ERR_YOUWILLBEBANNED = 466,
    ERR_KEYSET = 467,
    ERR_LINKCHANNEL = 470,
    ERR_CHANNELISFULL = 471,
    ERR_UNKNOWNMODE = 472,
    ERR_INVITEONLYCHAN = 473,
    ERR_BANNEDFROMCHAN = 474,
    ERR_BADCHANNELKEY = 475,
    ERR_BADCHANMASK = 476,
    ERR_NEEDREGGEDNICK = 477,
    ERR_BANLISTFULL = 478,
    ERR_BADCHANNAME = 479,
    ERR_THROTTLE = 480,
    ERR_NOPRIVILEGES = 481,
    ERR_CHANOPRIVSNEEDED = 482,
    ERR_CANTKILLSERVER = 483,
    ERR_ISCHANSERVICE = 484,
    ERR_BANNEDNICK = 485,
    ERR_NONONREG = 486,
    ERR_VOICENEEDED = 489,
    ERR_NOOPERHOST = 491,
    ERR_CANNOTSENDTOUSER = 492,
    ERR_OWNMODE = 494,
    ERR_UMODEUNKNOWNFLAG = 501,
    ERR_USERSDONTMATCH = 502,
    ERR_GHOSTEDCLIENT = 503,
    ERR_USERNOTONSERV = 504,
    ERR_WRONGPONG = 513,
    ERR_DISABLED = 517,
    ERR_HELPNOTFOUND = 524,
    RPL_STARTTLS = 670,
    RPL_WHOISSECURE = 671,
    ERR_STARTTLS = 691,
    RPL_MODLIST = 702,
    RPL_ENDOFMODLIST = 703,
    RPL_HELPSTART = 704,
    RPL_HELPTXT = 705,
    RPL_ENDOFHELP = 706,
    ERR_TARGCHANGE = 707,
    RPL_ETRACEFULL = 708,
    RPL_ETRACE = 709,
    RPL_KNOCK = 710,
    RPL_KNOCKDLVR = 711,
    ERR_TOOMANYKNOCK = 712,
    ERR_CHANOPEN = 713,
    ERR_KNOCKONCHAN = 714,
    ERR_KNOCKDISABLED = 715,
    ERR_TARGUMODEG = 716,
    RPL_TARGNOTIFY = 717,
    RPL_UMODEGMSG = 718,
    RPL_OMOTDSTART = 720,
    RPL_OMOTD = 721,
    RPL_ENDOFOMOTD = 722,
    ERR_NOPRIVS = 723,
    RPL_TESTMASK = 724,
    RPL_TESTLINE = 725,
    RPL_NOTESTLINE = 726,
    RPL_TESTMASKGECOS= 727,
    RPL_QUIETLIST = 728,
    RPL_ENDOFQUIETLIST= 729,
    RPL_MONONLINE = 730,
    RPL_MONOFFLINE = 731,
    RPL_MONLIST = 732,
    RPL_ENDOFMONLIST= 733,
    ERR_MONLISTFULL = 734,
    RPL_RSACHALLENGE2 = 740,
    RPL_ENDOFRSACHALLENGE2 = 741,
    ERR_MLOCKRESTRICTED= 742,
    ERR_INVALIDBAN = 743,
    ERR_TOPICLOCK = 744,
    RPL_SCANMATCHED = 750,
    RPL_SCANUMODES = 751,
    RPL_LOGGEDIN = 900,
    RPL_LOGGEDOUT = 901,
    ERR_NICKLOCKED = 902,
    RPL_SASLSUCCESS = 903,
    ERR_SASLFAIL = 904,
    ERR_SASLTOOLONG = 905,
    ERR_SASLABORTED = 906,
    ERR_SASLALREADY = 907,
    RPL_SASLMECHS = 908,
}
