[CoreSpotlight] Fixing breaking change. (#16352)

src/CoreSpotlight/CSCompat.cs

@@ -1,11 +1,11 @@
 // Compatibility stubs
 
-#if !NET && IOS
-
 using System;
+using ObjCRuntime;
 
 namespace CoreSpotlight {
 
+#if !NET && IOS
 	partial class CSCustomAttributeKey {
 
 		[Obsolete ("Use .ctor(string)")]
@@ -13,6 +13,24 @@ namespace CoreSpotlight {
 		{
 		}
 	}
+#endif
+
+#if !TV
+	public partial class CSSearchQueryContext {
+
+#if !NET
+		[Obsolete ("This property was removed. The getter always returns null and the setter throws and InvalidOperationException.")]
+#else
+		[UnsupportedOSPlatform ("ios16.1")]
+		[UnsupportedOSPlatform ("maccatalyst16.1")]
+		[UnsupportedOSPlatform ("macos13.0")]
+		[UnsupportedOSPlatform ("tvos")]
+#endif
+		public virtual string[] ProtectionClasses { 
+			get => null; 
+			set => throw new InvalidOperationException (Constants.ApiRemovedGeneral);
+		}
+	}
+#endif
 }
 
-#endif