The type of the data to be deserialized. ColdFusion by default supports XML and JSON formats. You can also implement support for other types in the CustomSerializer CFC.
Whether to use the custom serializer or not. The custom serializer will always be used for deserialization. If false, the XML/JSON deserialization will be done using the default ColdFusion behavior. If any other type is passed with useCustomSerializer as false, then TypeNotSupportedException will be thrown.