040000 tree 36210988417ece17a3abf56231e7b819606eefbb	cpp
040000 tree aff1a27bd01c50f6d6f35434b8dea6127042aa40	java
040000 tree d564dbd72642d26218618c5ed93772a0f672c0ac	native
040000 tree 14321a3d814e382c2173772a240c1608a47cc7c9	protobuf
040000 tree bba0aa378abcafe2d2750f565b0ec4b113482180	tools