{description: SOP Instance UID for an instance, package_name: hl7.fhir.r5.search, name: instance, type: token, package_version: 5.0.0-draft-final, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/ImagingStudy-instance', version: 5.0.0-draft-final}