Change `K9WorkerFactory` to not load classes outside of our namespace

        workerClassName: String,

        workerParameters: WorkerParameters,

    ): ListenableWorker? {

        // Don't attempt to load classes outside of our namespace.

        if (!workerClassName.startsWith("com.fsck.k9")) {

            return null

        }

        val workerClass = Class.forName(workerClassName).kotlin

        return getKoin().getOrNull(workerClass) { parametersOf(workerParameters) }

    }

import com.fsck.k9.mail.AuthType

import timber.log.Timber

// IMPORTANT: Update K9WorkerFactory when moving this class and the FQCN no longer starts with "com.fsck.k9".

class MailSyncWorker(

    private val messagingController: MessagingController,

    private val preferences: Preferences,

/**

 * A [Worker] to remove an account in the background.

 */

// IMPORTANT: Update K9WorkerFactory when moving this class and the FQCN no longer starts with "com.fsck.k9".

class AccountRemoverWorker(

    private val accountRemover: AccountRemover,

    private val notificationController: BackgroundWorkNotificationController,