fun <E:Any, T:Iterable<E?>>Assert<T>.enthaeltStriktNullableEintraege(assertionCreatorOrNull:Assert<E>.()->Unit, varargotherAssertionCreatorsOrNulls:Assert<E>.()->Unit): AssertionPlant<T>(source) Deprecated: Replaced with enthaeltExakt for clearer naming; will be removed with 1.0.0