private DeviceKeyId() {
        super();
    }
@Test
    public void testConstruction() {
        DeviceKeyId deviceKeyId = DeviceKeyId.deviceKeyId(deviceKeyIdValue1);
        assertNotNull("The deviceKeyId should not be null.", deviceKeyId);
        assertEquals("The id should match the expected value.",
                     deviceKeyIdValue1, deviceKeyId.id());
    }