040000 tree e0211bb41fd642bb67dc45cf1bfc9d08e5c86c1a	cpp
040000 tree 7b6ba9519125ce21023c1398eb617d97d37604d5	java
040000 tree c49dd63a935182f154450f5bd6f0a7e6d40038bc	native
040000 tree f9932505378caa3c526a025723d5f873705a4938	protobuf
040000 tree fe1f4c1662a11f1204da188024782defedb9ae79	tools