040000 tree a51d1d355990a8e3e85c4ec51e47b6f102c59bbc	core
040000 tree e8e35f02ceb90edf9d12927e91535a6993e52db3	event
040000 tree 73da60c3355529d887f46135f6f837c02b1d074a	http
040000 tree 8f5e8144d84b5804c96b49d06e3093f4a849ae04	mail
040000 tree 498249dbecfa1bf4319b54795fbc10b8f86639b3	misc
040000 tree 45b9c7575b9f5c341a0048fa2f103a73fa20adb9	os
040000 tree 650bef0c202b05a3a361783d634bc847ba115c61	stream