040000 tree 5d1e868854d844f947c6855f8a5b7ff437991d2d	cpp
040000 tree fa76ec7079d5639497bd4a0a23df79ef2d5078d5	java
040000 tree bfaa937d18ad172126f29b50e6b0381acec08210	native
040000 tree 142e333a2e87d39e95cdc940929c7ae57c44eb2c	protobuf
040000 tree fe1f4c1662a11f1204da188024782defedb9ae79	tools