{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "Conditional reads are supported, but only with the If-Modified-Since HTTP Header.",
  "system" : "http://hl7.org/fhir/conditional-read-status",
  "property" : [ ],
  "codesystem" : "e672c730-8694-5bba-8bd1-a2dd70acb2ae",
  "concept_id" : "76e8d079-0f8f-57e4-abf9-61cbcc0c0f4c",
  "ancestors" : {
    "modified-since" : 0
  },
  "id" : "b0e1ad06-a9fe-4292-a651-cdfe9b0e88cc",
  "code" : "modified-since",
  "display" : "If-Modified-Since",
  "version" : "4.0.1"
}