@interface SessionSyncEngine.SyncEngine : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ role;
void /* unknown type, empty encoding */ syncService;
void /* unknown type, empty encoding */ metadataStore;
void /* unknown type, empty encoding */ keybag;
void /* unknown type, empty encoding */ queue;
void /* unknown type, empty encoding */ retryTimer;
void /* unknown type, empty encoding */ sourcesByZone;
void /* unknown type, empty encoding */ inflightExpirationTimer;
void /* unknown type, empty encoding */ inflightExpirationTime;
void /* unknown type, empty encoding */ inflightMetadataByRequestIdentifier;
void /* unknown type, empty encoding */ inflightDateByRequestIdentifier;
void /* unknown type, empty encoding */ inflightMetadata;
void /* unknown type, empty encoding */ keybagSubscription;
void /* unknown type, empty encoding */ localDeviceIdentifierOverride;
void /* unknown type, empty encoding */ lock;
void /* unknown type, empty encoding */ _lock_pairedDevice;
void /* unknown type, empty encoding */ _queue_syncState;
void /* unknown type, empty encoding */ _queue_didReceiveAckMessage;
void /* unknown type, empty encoding */ _queue_didReceiveUnlockMessage;
void /* unknown type, empty encoding */ _queue_didFireMetadataExpirationTimer;
void /* unknown type, empty encoding */ _queue_didFireRetryTimer;
void /* unknown type, empty encoding */ _queue_didExhaustRetryTimer;
}
@end