040000 tree 9d252b98cb4b02e58949ad03989d01f12e1449dc	common
040000 tree 872ab0ee6b3c4fdcf60f70fd6684fca1c4c3f301	serialization
040000 tree 6d1188a8e24c1eb967fe060527f2e5dd8749f0b6	support
040000 tree 0fdb536188ab8580f3b88afdcff0237be19af928	transport
040000 tree ca9322689412bda7d4136185cf4224c150c4762f	util