         return nil
     }
     
-    func updateCaption() {
+    fileprivate func updateCaption() {
 
         if usingImageType == .Photo {
             if imageResources()!.count > 0 {

    
    // Private Method

    func imageResources() -> [AnyObject]? {

        if usingImageType == .URL {
            return imageURLs as [AnyObject]?

        })
    }
    
    fileprivate func resourceBundle() -> Bundle {
        
        let bundlePath = Bundle.main.path(
            forResource: "PhotoSlider",
