public RabbitmqLogConfig getRabbitmqLogConfig() {
        return Optional.ofNullable(rabbitmqLogConfig).orElse(new RabbitmqLogConfig());
    }
get rabbitmq log config.

@return rabbitmq log config.
shenyu-plugin/shenyu-plugin-logging/shenyu-plugin-logging-rabbitmq/src/main/java/org/apache/shenyu/plugin/logging/rabbitmq/config/RabbitmqLogCollectConfig.java