040000 tree b27752095d3181fa991ec795b9b55282b7105532	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree 6d7165d438b519402add354f108e66c8c7ade9dd	proto
040000 tree b07eda1edd195642e376b4c5b3f57c30b13b740c	types