040000 tree 74e415232fd8483447efd2258ac5e4182312ec5e	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree ccfd4f4ef45ad2a78be1fdc1104f2e88742a3325	proto
040000 tree 88568d668a25a0f249d764ca33381e65d91cf657	types