040000 tree 94464a56b9f22bcdaad008f1478904d4f751178a	go-client
040000 tree 016f7f958a78b09593ce6e0dffb3ae7ad1520ece	go-server
040000 tree 08bf46fe9af34105a99de4de183466e287b8ed44	java-client
040000 tree 60cb19899372f22d3869568f3446170fa1255ea3	java-server