040000 tree 2ee66398eaee4f702241574ab3991175eaf3689c	common
040000 tree b3587ef6a740085fd9d1aca39fcd3deccafecbf5	import
040000 tree 913ea15d42f76644fe87cf19646b4b73000693c5	proto
040000 tree 86648e62dc2b839ce1e2718c87068a9d71208440	types