{description: Source system where concepts to be mapped are defined, package_name: hl7.fhir.r4b.core, name: source-system, type: uri, package_version: 4.3.0-snapshot1, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/ConceptMap-source-system', version: 4.3.0-snapshot1}