🔥FHIR ValueSet: Yes/No/Don't know

yesnodontknow.json

{
    "resourceType": "ValueSet",
    "status": "draft",
    "identifier": {
        "system": "https://smarthealthit.org/ValueSet/questionnaire-yesnodontknow"
    },
    "name": "Yes/No/Don't Know",
    "description": "Captures simple yes-no-don't know answers",
    "compose": {
        "import": [
            "http://hl7.org/fhir/v2/vs/0136"
        ],
        "include": [
            {
                "system": "http://hl7.org/fhir/data-absent-reason",
                "concept": [
                {
                    "code": "asked",
                    "display": "Don't know"
                }]
            }
        ]
    },
    "expansion": {
        "identifier": "urn:uuid:bf99fe50-2c2b-41ad-bd63-bee6919810b4",
        "timestamp": "2015-07-14T10:00:00Z",
        "contains": [
        {
            "system": "http://hl7.org/fhir/v2/vs/0136",
            "code": "Y",
            "display": "Yes"
        },
        {
            "system": "http://hl7.org/fhir/v2/vs/0136",
            "code": "N",
            "display": "No"
        },
        {
            "system": "http://hl7.org/fhir/data-absent-reason",
            "code": "asked",
            "display": "Don't know"
        }]
    }
}

Shouldn't the expansion actually be a define section, as this isn't an expansion.

Sorry, missed the import bit, looks ok (Thanks GG)

Thanks for checking anyway!