golang-goprotobuf-dev 0.0~git20170808.0.1909bc2-2 (s390x binary) in ubuntu cosmic

 Adds support for serializing and deserializing data in the protocol buffer
 format for users of the Go language. This will also install a protobuf
 compiler filter which will allow you to compile protocol buffers to Go
 code using protoc from the protobuf-compiler package.