040000 tree bf18946cb011dfb97ee95cc754282213a3895202	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree 3c2e2d1a55c5ac1480455401dd55292ad2e9b098	proto
040000 tree 7bc783e2b1d7fa49d98466a07491ade46dadec9c	types