OptionaldefaultA default value to return if the original value is not present or null.
OptionaldeserializerOptionalreconstructorA constructor function to call after deserializing a value. Typically this is a constructor of the class you are storing.
The value returned from deserialization - either the provided deserializer or default deserialization function.
Optionalserializer
Options for retrieving and storing data in the SDK collections.