CommonFields(assertionVerb: Translatable, subject: T, assertionChecker: AssertionChecker, nullRepresentation: Any)
assertionVerb - The assertion verb which will be used inter alia in error reporting.
subject - The subject for which this plant will create/check Assertions.
assertionChecker - The checker which will be used to check Assertions.
nullRepresentation - The representation used in reporting in case subject is null.
Constructor