module Test {
    yang-version 1;
    namespace urn:ietf:params:xml:ns:yang:ietf-ospf;
    prefix On;
    deviation /base:system/base:name-server {
        deviate replace {
            type int8;
            units "units";
            default "0";
            config "true";
            mandatory "true";
            min-elements 0;
            max-elements 3;
        }
    }
}