(protobufSerializer: StringAdd).self
(protobufSerializer: StringFormat).self
(protobufSerializer: ArrowAssoc[ProtobufSerializer]).x
(Since version 2.10.0) Use leftOfArrow instead
(protobufSerializer: Ensuring[ProtobufSerializer]).x
(Since version 2.10.0) Use resultOfEnsuring instead
This Serializer serializes
com.google.protobuf_spark.Messages