<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://fake-acme.org/fhir/StructureDefinition/MyUSCoreSmokingStatusProfile" />
  <name value="MyUSCoreSmokingStatusProfile" />
  <status value="draft" />
  <date value="2023-06-15T14:29:37.6859993+00:00" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/us/core/StructureDefinition/us-core-smokingstatus" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation.effective[x]">
      <path value="Observation.effective[x]" />
      <type>
        <code value="Period" />
      </type>
    </element>
    <element id="Observation.performer">
      <path value="Observation.performer" />
      <max value="1" />
    </element>
  </differential>
</StructureDefinition>