{description: Search on the resources that are linked to a RequestGroup - important to allow for example _revInclude, package_name: hl7.fhir.uv.cow, name: ActivityResource, type: reference, package_version: 1.0.0-ballot, class: unknown, kind: null, url: 'http://hl7.org/fhir/uv/cow/SearchParameter/activity-resource', version: 1.0.0-ballot}