040000 tree 21afa5b6b4c16269b27f0bc3609b86b9aabed994	adapter
040000 tree 0f44bc94939af23652a56ba9bb7db05a9f54608c	core
040000 tree 077aae9fececa3ab59a9484e3cbd276b1862e7f2	decoder
040000 tree 0308c504108324ea4d22a54f58d820fa28ef4bb5	hpack
040000 tree d065ee55785f45b9cc7fd187f401f837f353f49a	test_tools