040000 tree 4e255e6208c12e963eacfc78fa995b1d99eafa44	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree 7530c019f11ce8a2713c3be779eab4abe485cd8c	proto
040000 tree 7b9d5d5dc48e47547cac892539c9499ae300e7f4	types