040000 tree 5ecf5ac904a004f9eb5ef02e7df88fefcb481e70	cpp
040000 tree 778bce4fef80aeb2a20655e5343cecf52a08c213	java
040000 tree 999c472597431a7543b2f35d6f39a5c32291095e	native
040000 tree b1c072c2517ea2098f21b7fc2932361ab40bc2af	protobuf
040000 tree 27a7619af46760e34eb1aeb64f0103fe24bb92f2	tools