description: If true, indicates that the reference should be resolved to a version-specific reference rather than a version-agnostic reference. package_name: hl7.fhir.uv.extensions.r4 derivation: constraint name: ResolveAsVersionSpecific type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/resolve-as-version-specific'} index: 1 value: choices: [valueBoolean] index: 3 valueBoolean: {type: boolean, choiceOf: value, index: 4} package_version: 5.3.0-ballot-tc1 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/resolve-as-version-specific base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.3.0-ballot-tc1 required: [value, valueBoolean]