040000 tree c68c435087f21493d9265c173670cadf5cff586d	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree 5777cf96bfc1d31047e782970bf9712d5a11255e	proto
040000 tree 04a62bd97e005b5c88d9a8db56df851dc22b4715	types