{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "when the target list is being assembled, the items for this rule go first. If more than one rule defines a first item (for a given instance of mapping) then this is an error.",
  "system" : "http://hl7.org/fhir/map-target-list-mode",
  "property" : [ ],
  "codesystem" : "03a4991e-871c-5067-8ec2-183e7f443f19",
  "concept_id" : "8db4f166-5009-50aa-812d-889f226e2025",
  "ancestors" : {
    "first" : 0
  },
  "id" : "53e22889-8d0b-40a6-a1ca-6d8b5034b494",
  "code" : "first",
  "display" : "First",
  "version" : "4.0.1"
}