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Doesn’t encode object with NSSet? property

I'm trying to encode the following model:

final class ManagedHabit: NSManagedObject, CoreDataCodable {
    @NSManaged var id: String
    @NSManaged var name: String
    @NSManaged var notifications: NSSet?
    
    enum CodingKeys: String, CoreDataCodingKey {
        case id
        case name
        case notifications
    }
}

final class ManagedNotification: NSManagedObject, CoreDataCodable {
    @NSManaged var id: String
    @NSManaged var userNotificationId: String
    @NSManaged var enabled: Bool
    @NSManaged var habit: ManagedHabit
    
    enum CodingKeys: String, CoreDataCodingKey {
        case id
	case userNotificationId
	case enabled
    }
}

…

let encoder = JSONEncoder()
let jsonData = try encoder.encode(object)

I get an error.

The CoreDataEncoder class contains a method

private func encode (_ relationship: NSRelationshipDescription, object: ManagedObject, key: Keys, container: KeyedContainer) throws

that uses NSStringFromClass in its implementation, which always returns nil. This is because you need to use NSClassFromString(“<ModuleName>.<ClassName>”). I checked this and it works.

The same problem is present in the CoreDataDecodable extension in the method

private func set (_ relationship: NSRelationshipDescription, from container: CoreDataKeyedDecodingContainer <Self>, with codingKey: CodingKeys) throws

Please, can you fix this?

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