syntax = "proto2";
package pb;

import "pb/fee.proto";

message Metadata {
    enum Version {
        UNKNOWN_VERSION = 0;
        _0_0_1 = 1;
        _0_0_2 = 2;
        _0_0_3 = 3;
        _0_1_0 = 4;
    }
    enum Language {
        UNKNOWN_LANGUAGE = 0;
        en = 1;
        aa = 2;
        ab = 3;
        ae = 4;
        af = 5;
        ak = 6;
        am = 7;
        an = 8;
        ar = 9;
        as = 10;
        av = 11;
        ay = 12;
        az = 13;
        ba = 14;
        be = 15;
        bg = 16;
        bh = 17;
        bi = 18;
        bm = 19;
        bn = 20;
        bo = 21;
        br = 22;
        bs = 23;
        ca = 24;
        ce = 25;
        ch = 26;
        co = 27;
        cr = 28;
        cs = 29;
        cu = 30;
        cv = 31;
        cy = 32;
        da = 33;
        de = 34;
        dv = 35;
        dz = 36;
        ee = 37;
        el = 38;
        eo = 39;
        es = 40;
        et = 41;
        eu = 42;
        fa = 43;
        ff = 44;
        fi = 45;
        fj = 46;
        fo = 47;
        fr = 48;
        fy = 49;
        ga = 50;
        gd = 51;
        gl = 52;
        gn = 53;
        gu = 54;
        gv = 55;
        ha = 56;
        he = 57;
        hi = 58;
        ho = 59;
        hr = 60;
        ht = 61;
        hu = 62;
        hy = 63;
        hz = 64;
        ia = 65;
        id = 66;
        ie = 67;
        ig = 68;
        ii = 69;
        ik = 70;
        io = 71;
        is = 72;
        it = 73;
        iu = 74;
        ja = 75;
        jv = 76;
        ka = 77;
        kg = 78;
        ki = 79;
        kj = 80;
        kk = 81;
        kl = 82;
        km = 83;
        kn = 84;
        ko = 85;
        kr = 86;
        ks = 87;
        ku = 88;
        kv = 89;
        kw = 90;
        ky = 91;
        la = 92;
        lb = 93;
        lg = 94;
        li = 95;
        ln = 96;
        lo = 97;
        lt = 98;
        lu = 99;
        lv = 100;
        mg = 101;
        mh = 102;
        mi = 103;
        mk = 104;
        ml = 105;
        mn = 106;
        mr = 107;
        ms = 108;
        mt = 109;
        my = 110;
        na = 111;
        nb = 112;
        nd = 113;
        ne = 114;
        ng = 115;
        nl = 116;
        nn = 117;
        no = 118;
        nr = 119;
        nv = 120;
        ny = 121;
        oc = 122;
        oj = 123;
        om = 124;
        or = 125;
        os = 126;
        pa = 127;
        pi = 128;
        pl = 129;
        ps = 130;
        pt = 131;
        qu = 132;
        rm = 133;
        rn = 134;
        ro = 135;
        ru = 136;
        rw = 137;
        sa = 138;
        sc = 139;
        sd = 140;
        se = 141;
        sg = 142;
        si = 143;
        sk = 144;
        sl = 145;
        sm = 146;
        sn = 147;
        so = 148;
        sq = 149;
        sr = 150;
        ss = 151;
        st = 152;
        su = 153;
        sv = 154;
        sw = 155;
        ta = 156;
        te = 157;
        tg = 158;
        th = 159;
        ti = 160;
        tk = 161;
        tl = 162;
        tn = 163;
        to = 164;
        tr = 165;
        ts = 166;
        tt = 167;
        tw = 168;
        ty = 169;
        ug = 170;
        uk = 171;
        ur = 172;
        uz = 173;
        ve = 174;
        vi = 175;
        vo = 176;
        wa = 177;
        wo = 178;
        xh = 179;
        yi = 180;
        yo = 181;
        za = 182;
        zh = 183;
        zu = 184;
    }
    required Version version = 1;
    required Language language = 2;
    required string title = 3;
    required string description = 4;
    required string author = 5;
    required string license = 6;
    required bool nsfw = 7;

    optional Fee fee = 8;
    optional string thumbnail = 9;
    optional string preview = 10;
    optional string licenseUrl = 11;
}