040000 tree 392e8a9c024bafb4025ef349d1644828549030d6	cpp
040000 tree 4041638009f5ecdac8122d1f2aafdc37587e702c	java
040000 tree f36b785c8e26ae520bcbba764623e0ad7ba3cdd2	native
040000 tree b1235977d3140364c3bba7e70ec9ba2ed675d815	protobuf
040000 tree e037ffddf77fee9837c48ba1bde11d759e311398	tools