object {
     ip-address   ro babel-neighbor-address;
    [binary       ro babel-hello-mcast-history;]
    [binary       ro babel-hello-ucast-history;]
     uint         ro babel-txcost;
     uint         ro babel-exp-mcast-hello-seqno;
     uint         ro babel-exp-ucast-hello-seqno;
    [uint         ro babel-ucast-hello-seqno;]
    [uint         ro babel-ucast-hello-interval;]
    [uint         ro babel-rxcost;]
    [uint         ro babel-cost;]
} babel-neighbor-obj;