@class NSObject; @protocol OS_dispatch_queue, HLOxygenSaturationSessionDelegate; @interface HLOxygenSaturationSession : NSObject @property (weak, nonatomic) id<HLOxygenSaturationSessionDelegate> delegate; @property (retain, nonatomic) NSObject<OS_dispatch_queue> *queue; - (void)abort; - (void)begin; - (void).cxx_destruct; - (id)initWithDelegate:(id)a0 onQueue:(id)a1; - (void)unitTesting_deliverFeedback:(unsigned long long)a0; - (void)unitTesting_endSessionWithReason:(unsigned long long)a0 saturation:(id)a1 barometricPressure:(id)a2 averageHeartRate:(id)a3 averageHeartRateUUID:(id)a4; @end