{
  "resourceType": "StructureDefinition",
  "meta": {
    "lastUpdated": "2022-04-29T08:27:57.2000141+00:00"
  },
  "url": "https://simplifier.net/winningtest/extension-valid-term",
  "name": "ValidTerm",
  "title": "有效期限",
  "status": "draft",
  "date": "2022-04-29T08:28:05.5731171+00:00",
  "fhirVersion": "4.0.1",
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "ClinicalImpression"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "有效期限",
        "definition": "有效期限可以是时间范围，也可以使用时长表示。",
        "max": "1"
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "https://simplifier.net/winningtest/extension-valid-term"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "type": [
          {
            "code": "dateTime"
          },
          {
            "code": "Duration"
          },
          {
            "code": "Period"
          }
        ]
      }
    ]
  }
}