040000 tree 4aa31d357e10751e6324dccdf9bdf38e18772150	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree d9edf09e17f21331afa1923239d115130d7c7232	proto
040000 tree 58e012589a8d727cffb4490744fc9bb1c9af6658	types