public ClickHouseLogConfig getClickHouseLogConfig() {
        return Optional.ofNullable(clickHouseLogConfig).orElse(new ClickHouseLogConfig());
    }
get click house log config.

@return click house log config.
shenyu-plugin/shenyu-plugin-logging/shenyu-plugin-logging-clickhouse/src/main/java/org/apache/shenyu/plugin/logging/clickhouse/config/ClickHouseLogCollectConfig.java