040000 tree ddeef1e18d2da3ff95192c955a49f26e7bffb2fd	conn
040000 tree abeb4305fb88faae956f24b744ad05c5e0b86e78	flowtest
040000 tree f08a4077127358808d2a1d3048c8c9f1c3ac6475	manager
100644 blob ef04a002cec9a4631314373166961b9d3ec21368	util.go
100644 blob e407b1eb7eba4492d2be891e347a19d02e8abd6c	util_test.go