public static NamespaceName get(String tenant, String namespace) {
        validateNamespaceName(tenant, namespace);
        return get(tenant + '/' + namespace);
    }
@SuppressWarnings("AssertBetweenInconvertibleTypes")
    @Test
    public void namespace_equalsCheckType() {
        assertNotEquals(NamespaceName.get("prop/cluster/ns"), "prop/cluster/ns");
    }