OptionalcreatedOptionalis(internal usage) Indicates that the value was created via a fallback. This is used when with data specified in the metadata when the storage entry is empty.
With metadata fallback values (available as defaults on most storage entries) any empty storage item should erturn the default. (This is the same as the implementation on the Bizinikiwi runtime)
Readonlyregistry
Name
DoNotConstruct
Description
An unknown type that fails on construction with the type info