public static AVAssetDownloadUrlSession CreateSession(NSUrlSessionConfiguration configuration, IAVAssetDownloadDelegate @delegate, NSOperationQueue delegateQueue)
 {
     throw new NotImplementedException();
 }
 public static void DidLoadTimeRange(this IAVAssetDownloadDelegate This, NSUrlSession session, AVAssetDownloadTask assetDownloadTask, CMTimeRange timeRange, NSValue[] loadedTimeRanges, CMTimeRange timeRangeExpectedToLoad)
 {
     throw new NotImplementedException();
 }
 public static void DidResolveMediaSelection(this IAVAssetDownloadDelegate This, NSUrlSession session, AVAssetDownloadTask assetDownloadTask, AVMediaSelection resolvedMediaSelection)
 {
     throw new NotImplementedException();
 }
 public static void DidFinishDownloadingToUrl(this IAVAssetDownloadDelegate This, NSUrlSession session, AVAssetDownloadTask assetDownloadTask, NSUrl location)
 {
     throw new NotImplementedException();
 }