040000 tree 1dc8b279d44e86cbecbc99dce9dc489587a71fca	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree 8b6ac1460bc27ba8635a5a6ddfa008fda5ef8a51	proto
040000 tree 5df42cae7087c3364050f37a7a69a37ade647ff5	types