MTRFormaldehydeConcentrationMeasurementFeature Declarationstruct MTRFormaldehydeConcentrationMeasurementFeature TopicsInitializersinit(rawValue:)Type PropertiesaverageMeasurementcriticalLevellevelIndicationmediumLevelnumericMeasurementpeakMeasurement RelationshipsConforms ToBitwiseCopyableEquatableExpressibleByArrayLiteralOptionSetRawRepresentableSendableSendableMetatypeSetAlgebra