040000 tree 3e43559b0b164c8b5296a0b53f17949b5a311bd3	cpp
040000 tree b00e5555454aa52c4487aa1e1f8f21a89ae626bd	java
040000 tree 2e094d79d756a38ca04c0d9956c36d6d0e98f13a	native
040000 tree 289ac74233bb2f99fb8b7b3996df699e1cf9a752	protobuf
040000 tree f4a85a620b54039c627cf2ed6dd24f5f7571d3e5	tools