description: This cross-version extension represents BackboneType from http://hl7.org/fhir/StructureDefinition/BackboneType|5.0.0 for use in FHIR R4B.
package_name: hl7.fhir.uv.xver
derivation: constraint
name: ext_R5_BackboneType
type: Extension
elements:
  extension: {array: true, index: 0}
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-BackboneType'}
    index: 1
package_version: r5.r4b-0.0.1-snapshot-1
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/5.0/StructureDefinition/extension-BackboneType
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 0.0.1-snapshot-1
required: [url]