@@ -76,6 +76,7 @@ function createServer(opts, requestListener) {
  * @property {string} [host] A domain name or IP address of the server to issue the request to.
  * @property {string} [hostname] Alias for host.
  * @property {boolean} [insecureHTTPParser] Use an insecure HTTP parser that accepts invalid HTTP headers when true.
+ * @property {boolean} [joinDuplicateHeaders] Multiple header that joined with `,` field line values.
  * @property {string} [localAddress] Local interface to bind for network connections.
  * @property {number} [localPort] Local port to connect from.
  * @property {Function} [lookup] Custom lookup function. Default: dns.lookup().
@@ -88,6 +89,7 @@ function createServer(opts, requestListener) {
  * @property {AbortSignal} [signal] An AbortSignal that may be used to abort an ongoing request.
  * @property {string} [socketPath] Unix domain socket.
  * @property {number} [timeout] A number specifying the socket timeout in milliseconds.
+ * @property {Array} [uniqueHeaders] A list of request headers that should be sent only once.
  */
 
 /**
 
@@ -392,6 +392,7 @@ function request(...args) {
  *   host?: string;
  *   hostname?: string;
  *   insecureHTTPParser?: boolean;
+ *   joinDuplicateHeaders?: boolean;
  *   localAddress?: string;
  *   localPort?: number;
  *   lookup?: Function;
@@ -404,6 +405,7 @@ function request(...args) {
  *   socketPath?: string;
  *   timeout?: number;
  *   signal?: AbortSignal;
+ *   uniqueHeaders?: Array;
  *   } | string | URL} [options]
  * @param {Function} [cb]
  * @returns {ClientRequest}