040000 tree 6acb78ba3bbf757a12405be14c12827d4bfcb93f	core
040000 tree cd561470c34243ec0c2afc210bb8d63992e1436d	event
040000 tree fefe15b99a24ab38515ca560dd18da8186c2c01f	http
040000 tree b96822fa34419040f75b20e497fc0051225cd7b8	mail
040000 tree 2d77a0e9d59d7406f930e1757639f4b9432f7b1e	misc
040000 tree a3397c9d12dbf73963801b785b550025a001d536	os
040000 tree 56b9a0148315e1a71d95d137aa46826a82c9e644	stream