System/Library/AccessibilityBundles/UIKit.axbundle

UIFocusSystemAccessibility.h

NSObject
>
UIAccessibilitySafeCategory
>
__UIFocusSystemAccessibility_super

@interface UIFocusSystemAccessibility : __UIFocusSystemAccessibility_super

+ (Class)safeCategoryBaseClass;
+ (void)_accessibilityPerformValidations:(id)a0;
+ (id)safeCategoryTargetClassName;

- (BOOL)_prefersDeferralForFocusUpdateInContext:(id)a0;

@end