040000 tree 7c1c056743d530fd44a8da52e0571effbf3e1d76	cpp
040000 tree ea3f87b72a202bca9e45fcbc5f78d90f938736c8	java
040000 tree 11dbea5e66136c2fc366f8e8c102015b9d9dd6c3	native
040000 tree 584d077539d5a3fc28cb938624fd6c085d8b84d2	protobuf
040000 tree a478e4231bdbdcbd684285b27e2499cf79e84cd2	res
040000 tree 20a729f960e196685267b07de6b5fc17db49b172	tools