040000 tree 74cde3912bbe0304c15354521137743168c044cf	common
040000 tree 3303fd6282277ecd651939c302776c1c25f2199c	import
040000 tree b7a2727218d89e469799bf0b39556643dad28513	proto
040000 tree 9ccea6553ad302dc915a6f759081c36172c46b8b	types