namespace AppKit
{
    [Register("NSTextContentManager", true)]
    [SupportedOSPlatform("macos12.0")]
    [SupportedOSPlatform("maccatalyst15.0")]
    [UnsupportedOSPlatform("tvos")]
    [UnsupportedOSPlatform("ios")]
    public class NSTextContentManager : NSObject, INSTextElementProvider, INSCoding, INSSecureCoding, INativeObject, IDisposable
    {
        public static class Notifications
        {
            public static NSObject! ObserveStorageUnsupportedAttributeAdded(EventHandler<NSNotificationEventArgs!>! handler);
        }
    }
}