@class NSCountedSet, CNContact, NSArray, NSMutableSet, NSDate; @interface CNQuickActionsUsageManager : NSObject @property (retain, nonatomic) NSCountedSet *actionsUsageSet; @property (retain, nonatomic) NSMutableSet *enabledActionIdentifiers; @property (retain, nonatomic) CNContact *contact; @property (retain, nonatomic) NSArray *cachedInteractions; @property (retain, nonatomic) NSDate *cachedInteractionsDate; @property (nonatomic) BOOL sortsWithDuet; + (id)managerForContact:(id)a0; + (BOOL)sortUsingCoreDuetAvailable; - (id)init; - (void).cxx_destruct; - (void)_updateDuetInteractionsIfNeeded; - (double)scoreForAction:(id)a0; - (void)actionPerformed:(id)a0; - (void)cacheEnabledStateForAction:(id)a0; - (id)sortedActions:(id)a0; - (void)updateCachedEnabledStateForAction:(id)a0; @end