@interface SiriPlaybackControlSupport.LifeCycleManager : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ serialQueue;
    void /* unknown type, empty encoding */ workItem;
    void /* unknown type, empty encoding */ shutdownHandlers;
    void /* unknown type, empty encoding */ needsToResart;
    void /* unknown type, empty encoding */ biggestIntervalRegistered;
    void /* unknown type, empty encoding */ numberOfWorkItems;
}

@end