org.apache.flink.api.scala.typeutils
Serializer for cases where no serializer is required but the system still expects one. This happens for OptionTypeInfo when None is used, or for Either when one of the type parameters is Nothing.
Serializer for cases where no serializer is required but the system still expects one. This happens for OptionTypeInfo when None is used, or for Either when one of the type parameters is Nothing.