040000 tree 4269003824081082e6f13c06544522b24d777ecb	grpc-1_13_1
040000 tree ae6eebb2a198dee3f7935722ad579392a987add9	guava-20_0
040000 tree cdc6a4c0788883348273ff805899640b01da7558	sdks-java-extensions-protobuf