return serialization.NewDeserializationError(enumspb.ENCODING_TYPE_PROTO3, err)
}
if len(params) == 0 {
payload.Metadata["encoding"] = []byte("json/plain")
} else if len(params) == 2 && params["format"] == "protobuf" && params["message-type"] != "" {
payload_serializer.go
payload.Metadata["encoding"] = []byte("json/protobuf")
payload.Metadata["messageType"] = []byte(params["message-type"])