@class ENAdvertisementDatabase, NSObject; @protocol OS_dispatch_queue; @interface ENAdvertisementDatabaseQuerySession : NSObject { NSObject<OS_dispatch_queue> *_queue; unsigned int _tekCount; } @property (readonly, nonatomic) unsigned char attenuationThreshold; @property (readonly, nonatomic) ENAdvertisementDatabase *database; @property (readonly, nonatomic) unsigned int storedAdvertisementCount; - (void)dealloc; - (void)invalidate; - (void).cxx_destruct; - (id)initWithDatabase:(id)a0 attenuationThreshold:(unsigned char)a1 advertisementCount:(unsigned int)a2 queue:(id)a3; - (id)beaconCountMetricsWithStartDate:(id)a0 endDate:(id)a1 windowDuration:(double)a2 error:(id *)a3; - (BOOL)enumerateAdvertisementsMatchingKeys:(id)a0 attenuationThreshold:(unsigned char)a1 timestampTolerance:(double)a2 error:(id *)a3 handler:(id /* block */)a4; @end