GenerateVersionMarkers specifies whether to generate version markers.
var GenerateVersionMarkers = true
SupportedFeatures reports the set of supported protobuf language features.
var SupportedFeatures = uint64(pluginpb.CodeGeneratorResponse_FEATURE_PROTO3_OPTIONAL)
func GenerateFile(gen *protogen.Plugin, file *protogen.File) *protogen.GeneratedFile
GenerateFile generates the contents of a .pb.go file.