040000 tree 4c97e66272c793e321d49e619e3112777e67dd0e	kafka_consumer
040000 tree 9a0b296b6f26080735e267fe5dacc6ad675f63cf	kafka_message_fetcher
040000 tree ffc5b0ed3f60d2fe07ce82fa02d13244fea658b9	kafka_publisher