040000 tree 7f633bde2e22d5bce485beecbc75e5caf0d1703a	cpp
040000 tree 3f49e0009dbf12a804be13fee8321d845f9107e9	java
040000 tree 4256a9c0d72d3e08f5e4d7d8d6083dfb61a0d6f2	native
040000 tree d6395424a85e91645d9feb51c7809208a92a7dca	protobuf
040000 tree 3b575e55c25482d9026c6025bfb216c6ae535849	tools