public NshServiceIndex nshSi() {
        return nshSi;
    }
@Test
    public void testConstruction() {
        final NiciraSetNshSi niciraSetNshSi = new NiciraSetNshSi(NshServiceIndex.of((short) 15));
        assertThat(niciraSetNshSi, is(notNullValue()));
        assertThat(niciraSetNshSi.nshSi().serviceIndex(), is((short) 15));
    }