040000 tree 4288b2f9001b302f8244015f26b7bd6a9b1361a1	cpp
040000 tree e997020aa15161038ad03cfe85f5f252f7fd77f6	java
040000 tree e9ba49d0287657c6a776aa20e1c1c1fb72ee3ec5	native
040000 tree 51a375c17a382d47b474b0963d6a1f919c282cbb	protobuf
040000 tree 222d9f191ee451d3fa972cf0bf8bfe2c211ff9e4	tools