Annotated Serializer/Deserializer/Converter with @HandleClassMetadata indicate that they will
handle @class metadata during serialization and deserialization. By default it is handled by the
library in
ClassMetadataConverter. Default
converters from
DefaultConverters annotated with @HandleClassMetadata
do not serialize type information nor do they use it during deserialization. For security reasons
class metadata is disabled by default. To enable it
GensonBuilder.useClassMetadata(boolean)
GensonBuilder.useClassMetadata(true)}