040000 tree 9ff59a691b6174e258d878a07e6cc02c5066aee0	common
040000 tree b3587ef6a740085fd9d1aca39fcd3deccafecbf5	import
040000 tree cb8f569004c7aaa0619c9a2d1065b885a4e6cd6e	proto
040000 tree 446cc920f14ae70bc4304569ecbd5cceec43f7fc	types