040000 tree f9f724a22cbb299a52a8a13df257ac8338041f8a	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree 822d4f94d3246f0c62437b9cdbc1df29dc692ad5	proto
040000 tree 08bcac76742a951167135b5a4c1123bc9cdee70c	types