040000 tree 0559376d1c2ee994c15d708b79800beff9d351b6	adapter
040000 tree 39f63a5906ab60d654ff071ac249f8401c0fcbd5	core
040000 tree c105f92c006aa82c8fcc7dd6d3f01e5db20caed7	decoder
040000 tree 0308c504108324ea4d22a54f58d820fa28ef4bb5	hpack
040000 tree d065ee55785f45b9cc7fd187f401f837f353f49a	test_tools