metadata The metadata associated with the exposure information. Declarationvar metadata: [AnyHashable : Any]? { get } DiscussionNot used. See AlsoExposure CriteriaattenuationDurationsattenuationValuedatedurationtotalRiskScoretotalRiskScoreFullRangetransmissionRiskLevelENAttenuationdaysSinceOnsetOfSymptomsdiagnosisReportTypeENDaysSinceOnsetOfSymptomsUnknown