module Test {
    yang-version 1;
    namespace http://huawei.com;
    prefix Ant;
    container ospf {
        container valid {
            leaf invalid-interval {
                type "uint16";
                units "seconds";
                status current;
                reference "RFC 6020";
            }
        }
        list valid {
            key "process-id";
            container interface {
                leaf invalid-interval {
                    type "uint16";
                    units "seconds";
                    status current;
                    reference "RFC 6020";
                }
            }
            leaf process-id {
                type "string";
            }
        }
    }
}