040000 tree 962fcf87e838156c7c818d4e1210d20b8c5ceb36	cpp
040000 tree 668854ef01c3d15ddddb36d6dd7497e1dcfc5b57	java
040000 tree 9b800a1353005bcc302e8c9ed97309c5c33f088b	native
040000 tree b1235977d3140364c3bba7e70ec9ba2ed675d815	protobuf
040000 tree b785e267533053eb0437d3461ab7ef5296768e2a	tools