{
    "id": "qnvconv-test-r4-with-inter-ver-ext",
    "meta": {
        "profile": [
            "http://hl7.org/fhir/4.0/StructureDefinition/Questionnaire"
        ],
        "tag": [
            {
                "code": "r4-with-r5-ive"
            }
        ]
    },
    "url": "http:/lforms-fhir.nlm.nih.gov/baseR4/Questionnaire/qnvconv-test-r4-with-inter-ver-ext",
    "status": "draft",
    "title": "Demo form",
    "resourceType": "Questionnaire",
    "extension": [
        {
            "url": "http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.versionAlgorithm",
            "valueCoding": {
                "system": "http://hl7.org/fhir/version-algorithm",
                "code":"semver"
            }
        }
    ],
    "item": [
        {
            "type": "coding",
            "linkId": "/X-001",
            "text": "Favorite color",
            "answerOption": [
                {
                    "valueCoding": {
                        "code": "c",
                        "display": "Green"
                    },
                    "initialSelected": true
                },
                {
                    "valueCoding": {
                        "code": "o",
                        "display": "Other"
                    }
                }
            ],
            "extension": [
                {
                    "url": "http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.item.answerConstraint",
                    "valueCode": "optionsOrType"
                }
            ]
        }
    ]
}