module test2 {
    aaa {
        bbb {
            yang-version 1;
        }
    }

    yang-version 1;
    namespace "tst2";
    prefix test2;

    revision 2015-01-14 {
        ccc {
            ddd {
                yang-version 1;
            }
        }

        description "Initial revision.";
    }
}