namespace Photos
{
    [Introduced(PlatformName.iOS, 8, 0, PlatformArchitecture.All, null)]
    [Introduced(PlatformName.TvOS, 10, 0, PlatformArchitecture.All, null)]
    [Introduced(PlatformName.MacOSX, 10, 13, PlatformArchitecture.All, null)]
    [Register("PHPhotoLibrary", true)]
    public class PHPhotoLibrary : NSObject
    {
        [BindingImpl(BindingImplOptions.GeneratedCode | BindingImplOptions.Optimizable)]
        [Introduced(PlatformName.TvOS, 13, 0, PlatformArchitecture.All, null)]
        [Introduced(PlatformName.MacOSX, 10, 15, PlatformArchitecture.All, null)]
        [Introduced(PlatformName.iOS, 13, 0, PlatformArchitecture.All, null)]
        public virtual NSError? UnavailabilityReason
        {
            [Export("unavailabilityReason", ArgumentSemantic.Retain)]
            [Introduced(PlatformName.TvOS, 13, 0, PlatformArchitecture.All, null)]
            [Introduced(PlatformName.MacOSX, 10, 15, PlatformArchitecture.All, null)]
            [Introduced(PlatformName.iOS, 13, 0, PlatformArchitecture.All, null)]
            get;
        }

    }
}