<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="http://electronichealth.se/fhir/StructureDefinition/NLLReference" />
  <version value="1.0.0" />
  <name value="NLLReference" />
  <status value="active" />
  <date value="2024-02-01" />
  <publisher value="The Swedish eHealth Agency" />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <type value="Reference" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Reference" />
  <derivation value="constraint" />
  <differential>
    <element id="Reference.reference">
      <path value="Reference.reference" />
      <short value="Reference" />
      <definition value="A reference to a resource" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>