<status value="draft" /> <date value="2022-04-29T11:20:08.8925183+00:00" /> <fhirVersion value="4.0.1" /> <mapping> <identity value="rim" /> <uri value="http://hl7.org/v3" /> <name value="RIM Mapping" /> </mapping> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="ChargeItem.quantity" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <short value="可退费数量" /> <max value="1" /> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="https://simplifier.net/winningtest/extension-refundable-quantity" /> </element> <element id="Extension.value[x]"> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"> <valueCode value="normative" /> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version"> <valueCode value="4.0.0" /> </extension> <path value="Extension.value[x]" /> <short value="可退费数量" /> <type> <code value="Quantity" /> </type> </element> </differential> </StructureDefinition>