@class NSArray, HKQuantity; @interface HDHeartEventSensorDatum : HDDataCollectorSensorDatum @property (readonly, nonatomic) NSArray *associatedSampleUUIDs; @property (readonly, nonatomic) HKQuantity *heartRateThreshold; + (BOOL)supportsSecureCoding; - (void)encodeWithCoder:(id)a0; - (void).cxx_destruct; - (id)initWithCoder:(id)a0; - (id)initWithIdentifier:(id)a0 dateInterval:(id)a1 heartRateThreshold:(id)a2 associatedSampleUUIDs:(id)a3 resumeContext:(id)a4; @end