@class SBActivityItem, NSString, NSMutableOrderedSet; @protocol SBActivityAmbientObserverDelegate; @interface SBActivityAmbientObserver : NSObject <SBActivityObserver> @property (retain, nonatomic) NSMutableOrderedSet *activeActivityItems; @property (retain, nonatomic) NSMutableOrderedSet *pendingItems; @property (weak, nonatomic) id<SBActivityAmbientObserverDelegate> delegate; @property (readonly, nonatomic) BOOL hasPendingItem; @property (readonly, nonatomic) SBActivityItem *nextPendingItem; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)init; - (void)dealloc; - (void).cxx_destruct; - (void)dismissAlert:(id)a0; - (void)presentAlert:(id)a0; - (void)activityDidEnd:(id)a0; - (void)addPendingItem:(id)a0; - (void)activityProminenceChanged:(BOOL)a0 item:(id)a1; - (id)_sortActivityItems; - (void)activityDidDismiss:(id)a0; - (void)activityDidStart:(id)a0; - (void)addOverlaysForOngoingActivitiesIfNecessary; - (BOOL)isActiveActivityItem:(id)a0; - (void)removePendingItem:(id)a0; - (BOOL)shouldHandleActivityItem:(id)a0; @end