040000 tree 648a89a6bb65d9f78506d2904b5aad8effbd8f9a	common
040000 tree eb67615e0676bc78a6e161e2077d6e126c7b9133	import
040000 tree b1f9d6f0856ca1804366d8a2667a2bedbad551a0	proto
040000 tree 4d078de27933bfd2bde424573b7a1265d6bcfb1c	types