040000 tree 91fdda98286a05828e29a1d118dfe2e8f4bdd575	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree 2a2a5d45dc12600e702a538b4923f1ae36844e3b	proto
040000 tree 45ca85df9d19467f69b0a5a5a314ab68037ac6ed	types