* X-Device-Referer}</a> header field name. Header used for VAST requests to provide the {@link
   * #REFERER} header value that the on-behalf-of client would have used when making a request
   * itself.
   *
   * @since 31.0
   */
  public static final String X_DEVICE_REFERER = "X-Device-Referer";
  /**
   * The HTTP <a