A numeric engine option: fallback when undefined, else an integer in 0..max, or an AusbildungValidationError (Invalid <name>: ...). Exported so side fetchers (obtainKey) apply the same rule.
fallback
Invalid <name>: ...
A numeric engine option:
fallbackwhen undefined, else an integer in 0..max, or an AusbildungValidationError (Invalid <name>: ...). Exported so side fetchers (obtainKey) apply the same rule.