boolean isEnabled() {
        return enabled;
    }
@Test
    public void testBackPressureDisabledByDefault() {
        Config config = new Config();
        HazelcastProperties hazelcastProperties = new HazelcastProperties(config);
        BackpressureRegulator regulator = new BackpressureRegulator(hazelcastProperties, logger);
        assertFalse(regulator.isEnabled());
    }