040000 tree b077faa647abd028d112e37413567e971401e2a9	common
040000 tree c92c7d4663cc627379a35cda35261d4585f0eaa8	import
040000 tree 78012ffe033aecd0ce9db99a22a12fbe5813ae88	proto
040000 tree 79b9207a88a483fad3a319c0826411e6c607ec5e	types