040000 tree e47cd5a0057d98f7053196d517f6fe70e34e5277	common
040000 tree b3587ef6a740085fd9d1aca39fcd3deccafecbf5	import
040000 tree d51c371ed8693d2ad5121e620f8513d0e0caa22c	proto
040000 tree 2a93047132781b78417af5823d57bdc8c5dbdb9a	types