@class NSArray, NSMutableDictionary, SFDeviceDiscovery, NSObject; @protocol OS_dispatch_queue; @interface SFApproveDiscovery : NSObject { BOOL _activateCalled; id /* block */ _activateHandler; BOOL _invalidateCalled; BOOL _invalidateDone; SFDeviceDiscovery *_deviceDiscovery; NSMutableDictionary *_deviceDictionary; } @property (retain, nonatomic) NSArray *devices; @property (retain, nonatomic) NSObject<OS_dispatch_queue> *dispatchQueue; @property (copy, nonatomic) id /* block */ deviceFoundHandler; @property (copy, nonatomic) id /* block */ deviceLostHandler; @property (copy, nonatomic) id /* block */ invalidationHandler; - (id)init; - (void)_activateWithCompletion:(id /* block */)a0; - (void)_invalidated; - (void)invalidate; - (void)activateWithCompletion:(id /* block */)a0; - (void).cxx_destruct; - (void)_activatedWithError:(id)a0; - (void)_discoveryDeviceChanged:(id)a0; - (void)_discoveryEnsureStarted; - (void)_discoveryEnsureStopped; - (void)_discoveryFoundDevice:(id)a0; - (void)_discoveryLostDevice:(id)a0; @end