@interface _TtCV17SessionSyncEngine6Keybag9IOSKeybag : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ queue;
    void /* unknown type, empty encoding */ _firstUnlockPublisher;
    void /* unknown type, empty encoding */ _queue_hasUnlockedSinceBoot;
    void /* unknown type, empty encoding */ mkbEvent;
}

@end