description: This cross-version extension represents ImplementationGuide.dependency.id from http://hl7.org/fhir/StructureDefinition/ImplementationGuide|1.0.2 for use in FHIR R5. package_name: hl7.fhir.uv.xver-r2.r5 derivation: constraint name: Ext_R2_ImplementationGuide_de_id type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/1.0/StructureDefinition/extension-ImplementationGuide.dependency.id'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: xml:id (or equivalent in JSON) choices: [valueId] index: 2 valueId: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: id short: xml:id (or equivalent in JSON) choiceOf: value index: 3 package_version: 0.0.1-snapshot-2 class: extension kind: complex-type url: http://hl7.org/fhir/1.0/StructureDefinition/extension-ImplementationGuide.dependency.id base: http://hl7.org/fhir/StructureDefinition/Extension|5.0.0 version: 0.0.1-snapshot-2 required: [url]