040000 tree 4269003824081082e6f13c06544522b24d777ecb	grpc-1_13_1
040000 tree ae6eebb2a198dee3f7935722ad579392a987add9	guava-20_0
040000 tree 0cddbd21e60157b2737d52da05b83eaf1059f3db	sdks-java-extensions-protobuf