@class NSOrderedSet, NSObject; @protocol OS_dispatch_queue; @interface NTSourceAvailabilityManager : NSObject @property (copy, nonatomic) NSOrderedSet *availabilityEntriesInPreferredOrder; @property (nonatomic) Class preferredSourceFetchDescriptorClass; @property (retain, nonatomic) NSObject<OS_dispatch_queue> *queue; @property (readonly, nonatomic) Class likelyPreferredSourceFetchDescriptorClass; @property (copy, nonatomic) id /* block */ preferredSourceChangedNotificationBlock; - (id)init; - (void)_recomputePreferredAvailableTodayResultsSource; - (void).cxx_destruct; - (void)_setPreferredAvailableTodayResultsSource:(Class)a0; - (id)initWithAvailabilityEntriesInPreferredOrder:(id)a0 queue:(id)a1; @end