040000 tree 83eb91786142ea8071a36893fe192db55c237d8d	cpp
040000 tree 8727b91754212d00b1abc478ca84c94e11366241	java
040000 tree 9b800a1353005bcc302e8c9ed97309c5c33f088b	native
040000 tree b1235977d3140364c3bba7e70ec9ba2ed675d815	protobuf
040000 tree b785e267533053eb0437d3461ab7ef5296768e2a	tools