040000 tree 4777e50b9e2f18a88e49579961da419e3e78d913	common
040000 tree 9b664084eb2df5261643edb748d4b8839c17ef73	import
040000 tree a2e1376b6e6e54366c262c095dd8153bd3c4c58b	proto
040000 tree 300181114504554a501e4980191bc36a0f6440d2	types