module opendaylight-yangtools-union-test {

    namespace "urn:opendaylight:params:xml:ns:yang:yangtools:test:union";
    prefix union-test;


    description
        "This module contains a collection of YANG definitions used for
        some test cases.";

    revision "2015-01-21" {
        description
        "Test model for testing union data types.";
    }

    typedef lowest-level1 {
        type string;
    }

    typedef lowest-level2 {
        type string;
    }

    typedef non-union-test-type {
        type string;
    }

    typedef union-test-type {
        type union {
            type lowest-level1;
            type lowest-level2;
        }
    }

    typedef top-level {
        type union {
            type non-union-test-type;
            type union-test-type;
        }
    }

    container wrapper {
        leaf wrap {
            type top-level;
        }
    }
}