040000 tree 206baf6f506dba34991e21a5262f4c2140cd361b	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree 649556b17edcfbe46b0501c128038829bd449cdc	proto
040000 tree b219cf02963c77a7052076b1a21a579eaddf22d4	types