description: null package_name: de.bbmri.fhir derivation: constraint name: ParentCollection type: Extension elements: url: pattern: {type: Uri, value: 'https://fhir.bbmri.de/StructureDefinition/ParentCollection'} index: 0 value: choices: [valueReference] index: 2 valueReference: type: Reference choiceOf: value refers: ['https://fhir.bbmri.de/StructureDefinition/Collection'] index: 3 package_version: 1.2.0 class: extension kind: complex-type url: https://fhir.bbmri.de/StructureDefinition/ParentCollection base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.1.0