{description: Allows searching for QuestionnaireResponses by item value where the item has isSubject=true, package_name: hl7.fhir.r6.core, name: item-subject, type: reference, package_version: 6.0.0-ballot2, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/QuestionnaireResponse-item-subject', version: 6.0.0-ballot2}