<?xml version=“1.0” encoding=“UTF-8”?> <OperationDefinition xmlns=“hl7.org/fhir”>

<id value="ConceptMap-closure"/>

<extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
  <valueInteger value="3"/>
</extension>
<extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
  <valueCode value="trial-use"/>
</extension>
<url value="http://hl7.org/fhir/OperationDefinition/ConceptMap-closure"/>
<version value="4.0.1"/>
<name value="Closure Table Maintenance"/>
<status value="draft"/>
<kind value="operation"/>
<date value="2019-11-01T09:29:23+11:00"/>
<publisher value="HL7 (FHIR Project)"/>
<contact>
  <telecom>
    <system value="url"/>
    <value value="http://hl7.org/fhir"/>
  </telecom>
  <telecom>
    <system value="email"/>
    <value value="fhir@lists.hl7.org"/>
  </telecom>
</contact>
<description value="This operation provides support for ongoing maintenance of a client-side [transitive closure table](https://en.wikipedia.org/wiki/Transitive_closure#In_graph_theory) based on server-side terminological logic. For details of how this is used, see [Maintaining a Closure Table](terminology-service.html#closure)"/>
<code value="closure"/>
<resource value="ConceptMap"/>
<system value="true"/>
<type value="false"/>
<instance value="false"/>
<parameter>
  <name value="name"/>
  <use value="in"/>
  <min value="1"/>
  <max value="1"/>
  <documentation value="The name that defines the particular context for the subsumption based closure table"/>
  <type value="string"/>
</parameter>
<parameter>
  <name value="concept"/>
  <use value="in"/>
  <min value="0"/>
  <max value="*"/>
  <documentation value="Concepts to add to the closure table"/>
  <type value="Coding"/>
</parameter>
<parameter>
  <name value="version"/>
  <use value="in"/>
  <min value="0"/>
  <max value="1"/>
  <documentation value="A request to resynchronise - request to send all new entries since the nominated version was sent by the server"/>
  <type value="string"/>
</parameter>
<parameter>
  <name value="return"/>
  <use value="out"/>
  <min value="1"/>
  <max value="1"/>
  <documentation value="A list of new entries (code / system --&gt; code/system) that the client should add to its closure table. The only kind of entry mapping equivalences that can be returned are equal, specializes, subsumes and unmatched"/>
  <type value="ConceptMap"/>
</parameter>

</OperationDefinition>