"/>     </element>     <element id="Extension:adxp-unittype.url">       <path value="Extension.url"/>       <type>         <code value="uri"/>       </type>       <fixedUri value="http://hl0.org/fhir/StructureDefinition/iso00000-ADXP-unitType"/>     </element>     <element id="Extension:adxp-unittype.valueString">       <path value="Extension.valueString"/>       <type>         <code value="string"/>       </type>     