040000 tree 5e9b80a6b85fdc9fcaee0e18e9294489436a0cab	cpp
040000 tree ac7b88ca8d8c44e47d8c3f47a68483202d3c8836	java
040000 tree 06e4597122fb6021c4df00e892d9f5db624d4fef	native
040000 tree 2cd0190007c514fe62e09fb1ac42d0ff6c792f11	protobuf
040000 tree 90c4abec4c20089f26a366362161e879b8fa8a03	tools