     }
     private var _rightViewStatusBarUpdateAnimation: UIStatusBarAnimation?
 
-    /// Default:
+    open var rootViewScale: CGFloat?
+
+    /// Default:
+    /// rootViewScale if assigned
     /// if presentationStyle.shouldRootViewScale then 0.8
     /// else 1.0
     @IBInspectable open var rootViewScaleForLeftView: CGFloat {

    private var _rootViewScaleForLeftView: CGFloat?

    /// Default:
    /// if presentationStyle.shouldRootViewScale then 0.8
    /// else 1.0
    @IBInspectable open var rootViewScaleForRightView: CGFloat {

    private var _rightViewCoverBlurEffectWhenAlwaysVisible: UIBlurEffect?
    private var _isRightViewCoverBlurEffectWhenAlwaysVisibleAssigned: Bool = false

    open var rootViewCoverAlpha: CGFloat?

    /// Default:
    /// rootViewCoverAlpha if assigned
    /// else 1.0
    @IBInspectable open var rootViewCoverAlphaForLeftView: CGFloat {
        set {
            _rootViewCoverAlphaForLeftView = newValue
        }
        get {
            if let rootViewCoverAlphaForLeftView = _rootViewCoverAlphaForLeftView {
                return rootViewCoverAlphaForLeftView
            }
            if let rootViewCoverAlphaForLeftView = rootViewCoverAlpha {
                return rootViewCoverAlphaForLeftView
            }
            return 1.0
        }
    }
    private var _rootViewCoverAlphaForLeftView: CGFloat?

    /// Default:
    /// rootViewCoverAlpha if assigned
    /// else 1.0
    @IBInspectable open var rootViewCoverAlphaForRightView: CGFloat {
        set {
            _rootViewCoverAlphaForRightView = newValue
        }
        get {
            if let rootViewCoverAlphaForRightView = _rootViewCoverAlphaForRightView {
                return rootViewCoverAlphaForRightView
            }
            if let rootViewCoverAlphaForRightView = rootViewCoverAlpha {
                return rootViewCoverAlphaForRightView
            }
            return 1.0
        }
    }
    private var _rootViewCoverAlphaForRightView: CGFloat?

    @IBInspectable open var leftViewCoverAlpha: CGFloat = 1.0

