040000 tree 7c1ad989bd648a35290c316605ea6345982fea0a	application
040000 tree ad48cf74021f139f69ba538ec8dee749f75f8917	hal
040000 tree 8157ca2c2ee110581bd49b68a31b922901f4ef34	log
040000 tree b32e20e3ec4a699440def6c908b4c8eb73dc4670	math
040000 tree 0f59d8e7778bbcf144f2276eececbf53546e137e	profiler
040000 tree 38178480e9fc3f4f37ff49c3a65af86221d084bb	use_case