040000 tree 21bf78bbe4ce412301ea401f68ac5396c81ca5ff	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree 0d41478098a5854b51249f07a166ab28fcc90be7	proto
040000 tree f81a26e2e4f5337bd6a2f67277c2061552049f23	types