040000 tree c2bb4146df11c88b69131697592a21b8cb27a07c	conn
040000 tree 79355e3c5f447a5b4ec81f4ee96964e8b05533bb	crypto
040000 tree 19c60a00fb95cc2c8f0d5ffcb9417ae045983126	flowtest
040000 tree fca136b1a1fbc124a63c48bda18afe173aa87d23	manager
100644 blob ef04a002cec9a4631314373166961b9d3ec21368	util.go
100644 blob e407b1eb7eba4492d2be891e347a19d02e8abd6c	util_test.go