040000 tree 6984819f1f5240b568aee5a3be6fc5000d994cdd	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree 24be01f767f02185dc2f603e6af58585556a0775	proto
040000 tree ea21e409263c2dd1343d2710538d7e5239ba3fed	types