040000 tree 95252109b009ac373196a5be81339de5baa4258e	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree 4912de5b18428e8cf1313ec15b475bc5309131a2	proto
040000 tree 2704016908cd7a42a3fd5ffb3052ee60b62d29a3	types