{description: proposed | planned | requested | received | accepted | in-progress | completed | suspended | rejected | failed, package_name: hl7.fhir.r2.examples, name: status, type: token, package_version: 1.0.2, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/CommunicationRequest-status', version: null}