Definition for Value SetTypes used with Subscriptions

{
  "resourceType" : "ValueSet",
  "id" : "subscription-types",
  "meta" : {
    "lastUpdated" : "2023-12-18T15:12:07.602+11:00",
    "profile" : ["http://hl7.org/fhir/StructureDefinition/shareablevalueset"]
  },
  "text" : {
    "status" : "extensions",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p>This value set includes codes based on the following rules:</p><ul><li>Include these codes as defined in <a href=\"codesystem-fhir-types.html\"><code>http://hl7.org/fhir/fhir-types</code></a><table class=\"none\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td><a href=\"codesystem-fhir-types.html#fhir-types-Reference\">Reference</a></td><td style=\"color: #cccccc\">Reference</td><td>Reference Type: A reference from one resource to another.</td></tr></table></li><li>Import all the codes that are contained in <a href=\"valueset-version-independent-resource-types.html\">Version Independent Resource Types</a></li></ul></div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "fhir"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "normative"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 5
  }],
  "url" : "http://hl7.org/fhir/ValueSet/subscription-types",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.4.3319"
  }],
  "version" : "6.0.0-ballot1",
  "name" : "SubscriptionTypes",
  "title" : "Types used with Subscriptions",
  "status" : "active",
  "experimental" : false,
  "publisher" : "HL7, International",
  "description" : "Types used with Subscriptions",
  "immutable" : true,
  "compose" : {
    "include" : [{
      "system" : "http://hl7.org/fhir/fhir-types",
      "concept" : [{
        "code" : "Reference"
      }]
    },
    {
      "valueSet" : ["http://hl7.org/fhir/ValueSet/version-independent-resource-types"]
    }]
  }
}