ClassKit macOS xcode13.0 beta1

#ClassKit.framework https://github.com/xamarin/xamarin-macios/pull/11942

diff -ruN /Applications/Xcode_12.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/ClassKit.framework/Headers/CLSDefines.h /Applications/Xcode_13.0.0-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/ClassKit.framework/Headers/CLSDefines.h
--- /Applications/Xcode_12.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/ClassKit.framework/Headers/CLSDefines.h	2021-03-16 09:55:37.000000000 -0400
+++ /Applications/Xcode_13.0.0-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/ClassKit.framework/Headers/CLSDefines.h	2021-06-02 11:08:12.000000000 -0400
@@ -2,7 +2,7 @@
 //  CLSDefines.h
 //  ClassKit
 //
-//  Copyright © 2018 - 2019 Apple Inc. All rights reserved.
+//  Copyright © 2018-2021 Apple Inc. All rights reserved.
 //
 
 #ifndef CLSDEFINES_H
@@ -64,6 +64,11 @@
  */
 CLS_EXTERN CLSErrorUserInfoKey const CLSErrorUnderlyingErrorsKey API_AVAILABLE(ios(11.3), macos(11.0), macCatalyst(14.0)) API_UNAVAILABLE(watchos, tvos);
 
+/*!
+ @abstract   Errors with the code `CLSErrorCodePartialFailure` may contain an array of successful entities in - [NSError userInfo]; under this key.
+ */
+CLS_EXTERN CLSErrorUserInfoKey const CLSErrorSuccessfulObjectsKey API_AVAILABLE(ios(15.0), macos(12.0), macCatalyst(15.0)) API_UNAVAILABLE(watchos, tvos);
+
 typedef NSString * CLSPredicateKeyPath NS_EXTENSIBLE_STRING_ENUM API_AVAILABLE(ios(11.3), macos(11.0), macCatalyst(14.0)) API_UNAVAILABLE(watchos, tvos);
 
 CLS_EXTERN CLSPredicateKeyPath const CLSPredicateKeyPathDateCreated API_AVAILABLE(ios(11.3), macos(11.0), macCatalyst(14.0)) API_UNAVAILABLE(watchos, tvos);