{description: Quantity of which the charge item has been serviced, package_name: hl7.fhir.r6.core, name: quantity, type: quantity, package_version: 6.0.0-ballot1, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/ChargeItem-quantity', version: 6.0.0-ballot1}