040000 tree 9163fe483413ea4ab01362759935625db9fb3675	conn
040000 tree 79355e3c5f447a5b4ec81f4ee96964e8b05533bb	crypto
040000 tree ef99172f31293a4481c93029d15fb258de5be207	flowtest
040000 tree 582d69b461163624677e9d16ea8db050ff6babfd	manager
100644 blob 8b5bb6a5301f2364fcf7643554eabbad80f7c062	util.go
100644 blob e407b1eb7eba4492d2be891e347a19d02e8abd6c	util_test.go