040000 tree f5c32bc4908440ab80be2d9a4f05433ad43c6bb1	conn
040000 tree 79355e3c5f447a5b4ec81f4ee96964e8b05533bb	crypto
040000 tree 19c60a00fb95cc2c8f0d5ffcb9417ae045983126	flowtest
040000 tree facd8bb6fd301e12c032e7fe562ea96e8c20c140	manager
100644 blob ef04a002cec9a4631314373166961b9d3ec21368	util.go
100644 blob e407b1eb7eba4492d2be891e347a19d02e8abd6c	util_test.go