public static AbstractHealthChecker deserialize(String jsonString) {
        try {
            return MAPPER.readValue(jsonString, AbstractHealthChecker.class);
        } catch (IOException e) {
            throw new NacosDeserializationException(AbstractHealthChecker.class, e);
        }
    }
@Test
    void testDeserializeNoRegister() {
        String tcpString = "{\"type\":\"no register\",\"testValue\":null}";
        AbstractHealthChecker actual = HealthCheckerFactory.deserialize(tcpString);
        assertEquals(AbstractHealthChecker.None.class, actual.getClass());
    }