{description: How resource references can be aggregated., package_name: hl7.fhir.r6.expansions, name: AggregationMode, type: null, package_version: 6.0.0-ballot2, class: unknown, kind: null, url: 'http://hl7.org/fhir/ValueSet/resource-aggregation-mode', version: 6.0.0-ballot2}