@Override
    public int getNettyWriteBufferHighWaterMark() {
        return clientConfig.getPropertyAsInteger(WRITE_BUFFER_HIGH_WATER_MARK, DEFAULT_WRITE_BUFFER_HIGH_WATER_MARK);
    }
@Test
    void testGetNettyWriteBufferHighWaterMarkOverride() {
        clientConfig.set(ConnectionPoolConfigImpl.WRITE_BUFFER_HIGH_WATER_MARK, 40000);
        assertEquals(40000, connectionPoolConfig.getNettyWriteBufferHighWaterMark());
    }