namespace PhotosUI
{
    [Introduced(PlatformName.MacOSX, 10, 13, PlatformArchitecture.All, null)]
    [Register("PHProjectExtensionContext", true)]
    [Unavailable(PlatformName.iOS, PlatformArchitecture.All, null)]
    [Unavailable(PlatformName.TvOS, PlatformArchitecture.All, null)]
    public class PHProjectExtensionContext : NSExtensionContext, INSCoding, INSCopying, INSSecureCoding, INativeObject, IDisposable
}