code: public function addRateLimitHeaders($response, $limit, $remaining, $reset)
      {
          if ($this->enableRateLimitHeaders) {
              $response->getHeaders()
                  ->set('X-Rate-Limit-Limit', $limit)
                  ->set('X-Rate-Limit-Remaining', $remaining)
                  ->set('X-Rate-Limit-Reset', $reset);
          }
      }
docs: Adds the rate limit headers to the response.
  @param Response $response
  @param int $limit the maximum number of allowed requests during a period
  @param int $remaining the remaining number of allowed requests within the current period
  @param int $reset the number of seconds to wait before having maximum number of allowed requests again