040000 tree fc9d93eb88c436f5bdb085f99face4bbd1cda4f1	flink-ext
040000 tree 579b2fd53fd6b80e58ab58eb1eb8c97dafcc45f8	flume-ext
040000 tree 11af1954e075ac26b7d8801e0bac8c0fdcc7df5d	pub-sub
040000 tree 3cdb71ae1546c4fc19f50d576229d8b9b41273f3	spring-boot-autoconfigure-ext
040000 tree ce89ff2c8f857dbd5850607fe857cac38bb40ce9	spring-boot-thin-client-autoconfigure-ext
040000 tree ea2506c9b47280f2eff230dfeeaf540dce3e5b8d	zeromq-ext