xamarinios 
namespace AVFoundation
{
    [Introduced(PlatformName.iOS, 9, 0, PlatformArchitecture.All, null)]
    [Register("AVAssetDownloadURLSession", true)]
    [Unavailable(PlatformName.MacOSX, PlatformArchitecture.All, null)]
    [Unavailable(PlatformName.TvOS, PlatformArchitecture.All, null)]
    [Unavailable(PlatformName.WatchOS, PlatformArchitecture.All, null)]
    public class AVAssetDownloadUrlSession : NSUrlSession
    {
        public override NSUrlSessionUploadTask CreateUploadTask(NSUrlRequest request, NSUrl fileURL, NSUrlSessionResponse completionHandler);
    }
}
.NET
6.07.08.09.0
Information specific to xamarinios
Assembly

Xamarin.iOS , Version=0.0.0.0, PublicKeyToken=84e04ff9cfb79065

Referencing

The API is automatically referenced.

Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API