040000 tree 100bedbc39f1dda539604c64492dd0de7df5c221	conn
040000 tree 79355e3c5f447a5b4ec81f4ee96964e8b05533bb	crypto
040000 tree 19c60a00fb95cc2c8f0d5ffcb9417ae045983126	flowtest
040000 tree 62011e810779f71f0f965fa1a6994a9eb762b5aa	manager
100644 blob ef04a002cec9a4631314373166961b9d3ec21368	util.go
100644 blob e407b1eb7eba4492d2be891e347a19d02e8abd6c	util_test.go