040000 tree 88e348d0b414651e99575756941e366e2b703e60	common
040000 tree b0f128dde95187f97a40f80613c309557c644558	import
040000 tree 4f2985bec3dc2744e89fead56d07e2167ca221d2	proto
040000 tree e6ef9277cbbc0efee63e4083e0157a6ae19ed4fc	types