<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="http://example.org/fhir/StructureDefinition/SanDiegoAddress" />
  <name value="SanDiegoAddress" />
  <status value="draft" />
  <date value="2017-09-12T15:49:04.709-07:00" />
  <fhirVersion value="3.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <type value="Address" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Address" />
  <derivation value="constraint" />
  <differential>
    <element id="Address.type">
      <path value="Address.type" />
      <fixedCode value="postal" />
    </element>
    <element id="Address.period">
      <path value="Address.period" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>