040000 tree 73817233c52c1bfb6db8817c87c62b161d0e1840	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree 586e0b77293371b72fc12d2244e1eafa57e05776	proto
040000 tree c49dfb859b1c5152466e4a64fd67fadddc0a538a	types