Returns a 304 if an If-Modified-Since header or If-None-Match is present. Returns the same as a GET otherwise.

{
  "type": "object",
  "properties": {
    "If-Modified-Since": {
      "type": "string"
    },
    "If-None-Match": {
      "type": "string"
    }
  },
  "additionalProperties": false
}