@Nonnull
    public TpcConfig setEventloopCount(int eventloopCount) {
        this.eventloopCount = checkPositive("eventloopCount", eventloopCount);
        return this;
    }
@Test
    public void testConfigValidation() {
        TpcConfig tpcConfig = config.getTpcConfig();
        assertThrows(IllegalArgumentException.class, () -> tpcConfig.setEventloopCount(0));
    }