module simple-nodes {
    yang-version 1;
    namespace "urn:opendaylight:"+
        "simple-nodes";
    prefix "sn";

    organization "opendaylight";

    import test {
        prefix tst;
    }

    description
        "test file containing yang data nodes";

    revision "2013-07-30" {
        description
            "Initial revision.";
        reference "will be defined";
    }


    typedef mytype {
        type string;
    }

    // NOTE: simple comment



    anyxml data {
         config false;
         description "anyxml desc";
         if-feature has-name;
         mandatory true;
         must "ifType != 'ethernet' or " +
                      "(ifType = 'ethernet' and ifMTU = 1500)" {
            error-message "An ethernet MTU must be 1500";
         }
         must "ifType != 'atm' or " +
                      "(ifType = 'atm' and ifMTU <= 17966 and ifMTU >= 64)" {
                     error-app-tag "anyxml data error-app-tag";
                     error-message "An atm MTU must be  64 .. 17966";
                     description "an error occured in data";
                     reference "data must ref";
                }
         reference "data ref";
         status obsolete;
         when "class != 'wheel'";
    }

}