Interface implemented by clients to register their classes with Kryo when using Kryo serialization.
:: DeveloperApi :: A stream for reading serialized objects.
:: DeveloperApi :: A Spark serializer that uses Java's built-in serialization.
A Spark serializer that uses the
:: DeveloperApi :: A stream for writing serialized objects.
:: DeveloperApi :: A serializer.
:: DeveloperApi :: An instance of a serializer, for use by one thread at a time.