     }
     
     
-    // MARK: Scrolling
+    // MARK: Actions
     
     /// Scroll the page view controller to a new page.
     ///

            })
        }
    }
}

        }
    }
    
    
    // MARK: Updating
    
    private var isUpdatingViewControllers: Bool = false
    /// Calls guarded setViewControllers on internal UIPageViewController
    ///
    /// - Parameters:
    ///   - viewControllers: new view controllers.
    ///   - direction: direction for transition.
    ///   - animated: whether to animate.
    ///   - completion: completion closure.
    internal func updateViewControllers(to viewControllers: [UIViewController],
                                       direction: UIPageViewControllerNavigationDirection,
                                       animated: Bool,
