Add typedef NSKeyValueChangeKey to NSKeyValueObserving.h (#444)

gnustep · Sep 23, 2024 · 8b64cf4 · 8b64cf4
1 parent 5cd1997
commit 8b64cf4
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/Headers/Foundation/NSKeyValueObserving.h b/Headers/Foundation/NSKeyValueObserving.h
@@ -72,6 +72,9 @@ GS_EXPORT NSString *const NSKeyValueChangeOldKey;
 #if OS_API_VERSION(MAC_OS_X_VERSION_10_5,GS_API_LATEST)
 GS_EXPORT NSString *const NSKeyValueChangeNotificationIsPriorKey;
 #endif
+#if OS_API_VERSION(MAC_OS_X_VERSION_10_12,GS_API_LATEST)
+typedef NSString *NSKeyValueChangeKey;
+#endif
 
 /* Given that the receiver has been registered as an observer
  * of the value at a key path relative to an object,