@class _TtC18ActivityUIServices18ActivityController; @interface ActivityUIServices.ActivityController : NSObject { void /* unknown type, empty encoding */ activityManager; void /* unknown type, empty encoding */ cancellableSet; void /* unknown type, empty encoding */ observingActivityUpdates; void /* unknown type, empty encoding */ activities; void /* unknown type, empty encoding */ activityProviders; void /* unknown type, empty encoding */ activityPlatterPublisher; void /* unknown type, empty encoding */ activityPlatterStream; void /* unknown type, empty encoding */ queue; } @property (class, nonatomic, readonly) _TtC18ActivityUIServices18ActivityController *shared; @property (nonatomic, readonly) BOOL areActivitiesEnabled; @property (nonatomic, retain) void /* unknown type, empty encoding */ systemMetricsRequest; - (id)init; - (void).cxx_destruct; - (BOOL)isActivityActiveWithIdentifier:(id)a0; - (void)disableActivitiesForBundleId:(id)a0; - (void)endActivityWithIdentifier:(id)a0; - (id)observeActivityAlertsWithHandler:(id /* block */)a0; - (void)observeActivityUpdates; - (id)observeActivityUpdatesWithHandler:(id /* block */)a0; @end