040000 tree 4db52350910807d9a5102f101dff5b7a26198325	api
040000 tree b554b97ffda6f3b4701c858adf39ca2a60a1accd	api_ext
040000 tree 32cf601452a40098555838e1a936e52e90483748	devices
040000 tree 7c41f06e229cd35a1b4b3fd31f0474bb7926229c	memory_region