     
     // MARK: - Private Properties
     private var transitionLayout : CHTransitionLayout?
+    private weak var context : UIViewControllerContextTransitioning?
     private var initialPinchDistance : CGFloat?
     private var initialPinchPoint : CGPoint?
     private var initialScale : CGFloat?

    
    // MARK: - UIViewControllerInteractiveTransitioning Delegate Method
    public func startInteractiveTransition(transitionContext: UIViewControllerContextTransitioning) {
        
    }
    
    // MARK: - CHControllerTransitionDelegate Method

        
    }
    
    public func gestureRecognizer(gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWithGestureRecognizer otherGestureRecognizer: UIGestureRecognizer) -> Bool {
        return true
    }
    
}

