@optional
- (nullable NSTouchBarItem*)touchBar:(NSTouchBar*)touchBar
makeItemForIdentifier:(NSTouchBarItemIdentifier)identifier;
+
@end
@protocol NSScrubberDelegate<NSObject>
+- (void)scrubber:(NSScrubber *)scrubber didHighlightItemAtIndex:(NSInteger)highlightedIndex;
+- (void)scrubber:(NSScrubber *)scrubber didSelectItemAtIndex:(NSInteger)selectedIndex;
+
@end
@protocol NSScrubberDataSource<NSObject>
+- (NSInteger)numberOfItemsForScrubber:(NSScrubber *)scrubber;
+- (NSInteger)numberOfItemsForScrubber:(NSScrubber *)scrubber;
+
@end
#pragma clang assume_nonnull end