040000 tree 2a15bf35e93caa60db6991d0ecb0561fabfa0b1d	common
040000 tree 052b4b1f2eaecf795358cf796042c7aa7f03ac80	import
040000 tree 9be616d890e709c6ad358218a41543204bc92541	proto
040000 tree d81f0e6fc4e5564eb5387661e35c729933dd8a26	types