System/Library/PrivateFrameworks/ActivityRingsUI.framework

ARUICountdownDefaultTimeline.h

NSObject
>
ARUICountdownTimeline

@interface ARUICountdownDefaultTimeline : ARUICountdownTimeline

+ (id)cancelIdentifier;
+ (id)countdownIdentifier;
+ (id)disappearIdentifier;
+ (id)fadeInIdentifier;
+ (id)fadeOutIdentifier;
+ (id)preAnimationIdentifier;
+ (id)windUpIdentifier;

- (id)init;

@end