@class HKUnit, HKSampleType; @interface _HDStatisticsSyntheticQuantityType : HKQuantityType <NSSecureCoding> @property (class, readonly) BOOL supportsSecureCoding; @property (readonly, copy, nonatomic) HKSampleType *underlyingSampleType; @property (readonly, nonatomic) long long overriddenAggregationStyle; @property (readonly, copy, nonatomic) HKUnit *overriddenCanonicalUnit; + (id)syntheticQuantityTypeWithUnderlyingSampleType:(id)a0 aggregationStyle:(long long)a1 canonicalUnit:(id)a2; + (id)syntheticQuantityTypeWithConfigurationProviding:(id)a0; - (void)encodeWithCoder:(id)a0; - (void).cxx_destruct; - (Class)dataObjectClass; - (long long)aggregationStyle; - (id)initWithCoder:(id)a0; - (id)canonicalUnit; @end