040000 tree 010e03e1f17fe701a1ec05c362079e08328a2825	core
040000 tree 4906b6acfc29138805437920340637db53c4d269	event
040000 tree 954dc9dc828baecb21caddb29838054ab0ab0626	http
040000 tree b313992a49bec268f0237665551522238c12d185	os