040000 tree c31cfd7db5dca0f67b7dfc2e65b77f441b59c922	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree 3973591b5490ea0e143ea9acc198497b9a742190	proto
040000 tree 65c44af2abdc7caee8a87e06d1b8dc5d21e43665	types