 
 @objc open class VideoRefreshManager: NSObject
 {
-    fileprivate static let RetryDelayInSeconds: Double = 3
+    private static let RetryDelayInSeconds: Double = 3
     
     // MARK:
     
-    fileprivate let sessionManager: VimeoSessionManager
-    fileprivate weak var delegate: VideoRefreshManagerDelegate?
+    private let sessionManager: VimeoSessionManager
+    private weak var delegate: VideoRefreshManagerDelegate?
     
     // MARK:
     
-    fileprivate var videos: [VideoUri: Bool] = [:]
-    fileprivate let operationQueue: OperationQueue
+    private var videos: [VideoUri: Bool] = [:]
+    private let operationQueue: OperationQueue
     
     // MARK: - Initialization
     

    
    // MARK: Private API

    fileprivate func doRefreshVideo(_ video: VIMVideo)
    {
        let uri = video.uri!
        

        }
    }
    
    private static func isVideoStatusFinal(_ video: VIMVideo) -> Bool
    {
        let status = video.videoStatus
        
