{description: Code(s) that apply to the event being documented, package_name: hl7.fhir.r4b.core, name: context, type: token, package_version: 4.3.0-snapshot1, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/Composition-context', version: 4.3.0-snapshot1}