@class NSString, _TtC7Sharing33_SFAirDropTransferObserverAdaptor, _SFAirDropTransferObserver; @protocol SFAirDropTransferObserverDelegate; @interface SFAirDropTransferObserver : NSObject <SFAirDropTransferObserverDelegate> @property (retain, nonatomic) _SFAirDropTransferObserver *legacyObserver; @property (retain, nonatomic) _TtC7Sharing33_SFAirDropTransferObserverAdaptor *modernObserver; @property (nonatomic) BOOL isModern; @property (weak, nonatomic) id<SFAirDropTransferObserverDelegate> delegate; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)init; - (void)removedTransfer:(id)a0; - (void)invalidate; - (void)activate; - (void).cxx_destruct; - (void)updatedTransfer:(id)a0; @end