040000 tree 623dcad9d3316183c139e079bdb2800c60cd6960	common
040000 tree b3587ef6a740085fd9d1aca39fcd3deccafecbf5	import
040000 tree 0a8a36bcec31f81b3feb5602db700e3fe8504d92	proto
040000 tree 3345b7cc0127dc8f950a798a32a0772d6b3f6945	types