040000 tree 8c9cb0afb0442088be9370ec3c0eb9cac43971ad	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree d9bb63d5c8e1ed8d098f41391585f2cd3f4003f7	proto
040000 tree 50068a4ebba5cf8d78a14c2b15c0891507269d74	types