{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "Only process this rule is there is only item.",
  "system" : "http://hl7.org/fhir/map-source-list-mode",
  "property" : [ ],
  "codesystem" : "8bea8e32-5405-531b-8a44-83cf2d7ef674",
  "concept_id" : "6a735822-5321-5bfc-8fbd-dcd26bea0693",
  "ancestors" : {
    "only_one" : 0
  },
  "id" : "d365edb7-3b2e-460f-82a1-b1f452781f4e",
  "code" : "only_one",
  "display" : "Enforce only one",
  "version" : "4.0.1"
}