040000 tree 0b7f7549b7f195f953a393744093961aa3f6bc98	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree 3b4e647f80efd783d42535d2e440d7b2d5f73753	proto
040000 tree 9434f828a367efa5d5e5eb70a1242ab96a8e14d4	types