<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="http://apiframework.dedalus.eu/fhir/StructureDefinition/extension-annotation-type" />
  <name value="extension-annotation-type" />
  <status value="active" />
  <experimental value="false" />
  <description value="Extension to allow annotation type" />
  <fhirVersion value="3.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <contextType value="datatype" />
  <context value="Annotation" />
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="http://apiframework.dedalus.eu/fhir/StructureDefinition/extension-annotation-type" />
    </element>
    <element id="Extension.value[x]:valueCodeableConcept">
      <path value="Extension.valueCodeableConcept" />
      <sliceName value="valueCodeableConcept" />
      <type>
        <code value="CodeableConcept" />
      </type>
    </element>
  </differential>
</StructureDefinition>