         animated: Bool = true,
         completion: @escaping ((ALRT.Result) -> Void) = { _ in }
     ) {
-        guard let alert = self.alertController else {
+        guard let alert = alertController else {
             completion(.failure(.alertControllerNil))
             return
         }

        message: String?,
        preferredStyle: UIAlertController.Style
    ) {
        alertController = UIAlertController(
            title: title,
            message: message,
            preferredStyle: preferredStyle
        )
    }

    // MARK: Creating an ALRT

        case sourceViewControllerNil
    }

    public static var defaultConfiguration: Configuration?

    public var alertController: UIAlertController?

    private init() {}

