040000 tree 69710b527b66f4ebc37c82f7d3f08e336f7dfa85	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree ab4aed5c99e4a716aab81198d1cc1714d6a6732f	proto
040000 tree 86578d5d51ca2cc90485d59aa45c1a1b1136ee9d	types