040000 tree 51f958a071629c3304abe7b26af1107339fe6265	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree 8fe4c79ed6f42d880dcaa690cc7d29576235f8ba	proto
040000 tree f1484e06cf22868e36edca6ee8248817f496c71b	types