{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Perform a date operation. *Parameters to be documented*.",
  "system" : "http://hl7.org/fhir/map-transform",
  "property" : [ ],
  "codesystem" : "919c529d-e6a0-5670-833a-6fdad9d8329c",
  "concept_id" : "318429e9-6a41-501a-b84e-76d4afddb173",
  "ancestors" : {
    "dateOp" : 0
  },
  "id" : "ad38eb6c-2eb7-4243-ae37-9c9bafa49fcc",
  "code" : "dateOp",
  "display" : "dateOp",
  "version" : "4.0.1"
}