{
  "package" : "hl7.fhir.r5.core@5.0.0",
  "definition" : "Conditional reads are supported, but only with the If-Modified-Since HTTP Header.",
  "system" : "http://hl7.org/fhir/conditional-read-status",
  "property" : [ ],
  "codesystem" : "88dc61e9-22e3-56e0-bea6-59aa0b2b14d0",
  "concept_id" : "76e8d079-0f8f-57e4-abf9-61cbcc0c0f4c",
  "ancestors" : {
    "modified-since" : 0
  },
  "id" : "63a17e7b-d7dc-44b3-9e55-936cd34ac73e",
  "code" : "modified-since",
  "display" : "If-Modified-Since",
  "version" : "5.0.0"
}