040000 tree b58122d5e8ed3059fe9f586fe99a2249661760ff	cpp
040000 tree aaa323675b76cd2b5e46c47df72523687a6417b8	java
040000 tree 2e094d79d756a38ca04c0d9956c36d6d0e98f13a	native
040000 tree f22f0efebf2a282a3dd03ed802cbf685db8d34fc	protobuf
040000 tree f4a85a620b54039c627cf2ed6dd24f5f7571d3e5	tools