{
  "resourceType": "StructureDefinition",
  "id": "4c86ee70-90ca-4fd8-ba11-f2bf092ad648",
  "url": "https://fhir.nhs.uk/StructureDefinition/Extension-replacementOf",
  "name": "ExtensionreplacementOf",
  "status": "draft",
  "fhirVersion": "4.0.1",
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "MessageHeader"
    },
    {
      "type": "element",
      "expression": "Claim"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "https://fhir.nhs.uk/StructureDefinition/Extension-replacementOf"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "short": "Previous Bundle.identifier",
        "definition": "Should be populated in update messages",
        "min": 1,
        "type": [
          {
            "code": "Identifier"
          }
        ]
      },
      {
        "id": "Extension.value[x].value",
        "path": "Extension.value[x].value",
        "min": 1
      }
    ]
  }
}