040000 tree 0399df048db6a19175a640229a22cfe480917e5b	common
040000 tree b3587ef6a740085fd9d1aca39fcd3deccafecbf5	import
040000 tree 69be75c53a4555c497eb055fc09f9c0291af2c06	proto
040000 tree 86be208b07cc52c067d3d2683f8b38eee2b8bbb0	types