getValue(forKey:)
Declaration
func getValue<Value, OtherModel>(forKey: KeyPath<Self, Value>) -> Value where Value : Decodable, Value : RelationshipCollection, OtherModel == Value.PersistentElementfunc getValue<Value, OtherModel>(forKey: KeyPath<Self, Value>) -> Value where Value : Decodable, Value : RelationshipCollection, OtherModel == Value.PersistentElement