(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
org.spark_project.protobuf.Message
s