Please see https://github.com/apache/eventmesh-site/pull/170#discussion_r1444361826. `RocketMQProducerImpl` and `org.apache.eventmesh.api.producer.Producer` are now files in `eventmesh-storage-rocketmq`.
Please see #170 (comment).
RocketMQProducerImplandorg.apache.eventmesh.api.producer.Producerare now files ineventmesh-storage-rocketmq.