{description: HL7-defined table of codes which identify conditions under which acknowledgments are required to be returned in response to a message., package_name: hl7.fhir.uv.xver-r4b.r4, name: messageheader-response-request, type: null, package_version: 0.0.1-snapshot-2, class: unknown, kind: null, url: 'http://hl7.org/fhir/messageheader-response-request', version: 4.3.0}