Only modifications made on or before this time are included.
public class AsOfOnly modifications made on or before this time are included. If None, the latest version of the dataset is used.
Maps this instance's current variant to a value of type [T] using the given [visitor]..
Returns an enum member corresponding to this class instance's value, or [Value._UNKNOWN] if the class was instantiated with an unknown value.
Returns an enum member corresponding to this class instance's value.
Validates that the types of all values in this object match their expected types recursively.