040000 tree 452170f1fcfe69321690cc99dd66d14153bf3991	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree a8b12baef59674588902599d01c9ca681ceaf047	proto
040000 tree 3c0f040a9bcc0a3e381e777474b3d2e841fd715b	types