 
     private var _inputAccessoryView: UIView?
     /// This behaves identically to setting the inputAccessoryView for each child text field.
-    @objc public override var inputAccessoryView: UIView? {
+    @objc open override var inputAccessoryView: UIView? {
         get {
             _inputAccessoryView
         }


    @IBInspectable private var _cvcPlaceholder: String?
    /// The placeholder for the cvc field. Defaults to "CVC".
    @IBInspectable public var cvcPlaceholder: String? {
        get {
            _cvcPlaceholder
        }

    }

    /// :nodoc:
    @objc open override var contentVerticalAlignment: UIControl.ContentVerticalAlignment {
        get {
            return super.contentVerticalAlignment
        }
