040000 tree cdcbb903fb6fd1c5987bc632f14d8adae81c0c4e	cpp
040000 tree bb3d8ff64f71eb706705b69a5154440e55d0fd70	java
040000 tree 4f71ca75c98e99afdb973337304ef03adc066ce2	native
040000 tree 73d24c29b59d15c9eea804163171341eba73167a	protobuf
040000 tree 3ef6601aeaf815f721605a047a94b8cb4f2a95d3	tools