040000 tree 648a89a6bb65d9f78506d2904b5aad8effbd8f9a	common
040000 tree eb67615e0676bc78a6e161e2077d6e126c7b9133	import
040000 tree 4321cf18243ec9b6f71ac376765c845f24438c3f	proto
040000 tree fd6c0de9622c8e086a702a15506d78cd4142f55f	types