<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="df03e2f0-78ff-40d0-9c96-9ce2bd319ac9" />
  <meta>
    <versionId value="2" />
    <lastUpdated value="2016-12-16T13:09:43.544+00:00" />
  </meta>
  <url value="http://hl7.no/fhir/StructureDefinition/valid-period" />
  <name value="Extension.ValidPeriod" />
  <status value="draft" />
  <date value="2016-12-16T12:27:57+01:00" />
  <description value="Extension defining the valid period." />
  <kind value="datatype" />
  <constrainedType value="Extension" />
  <abstract value="false" />
  <contextType value="resource" />
  <context value="string" />
  <base value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <differential>
    <element>
      <path value="Extension" />
    </element>
    <element>
      <path value="Extension.url" />
      <fixedUri value="StructureDefinition/MyExtension" />
    </element>
    <element>
      <path value="Extension.valuePeriod" />
      <type>
        <code value="Period" />
      </type>
    </element>
  </differential>
</StructureDefinition>