29             return static function ($request, array $options) use ($handler) {
31                     return $handler($request, $options);
36                 $request = $cookieJar->withCookieHeader($request);  variable in GuzzleHttp\\Middleware
38                 return $handler($request, $options)
40 …      static function (ResponseInterface $response) use ($cookieJar, $request): ResponseInterface {
41                             $cookieJar->extractCookies($request, $response);
61             return static function ($request, array $options) use ($handler, $bodySummarizer) {
63                     return $handler($request, $options);
66                 return $handler($request, $options)->then(
67                     static function (ResponseInterface $response) use ($request, $bodySummarizer) {
72 …                    throw RequestException::create($request, $response, null, [], $bodySummarizer);
95 …   return static function (RequestInterface $request, array $options) use ($handler, &$container) {
96                 return $handler($request, $options)->then(
97                     static function ($value) use ($request, &$container, $options) {
99                             'request' => $request,
107                     static function ($reason) use ($request, &$container, $options) {
109                             'request' => $request,
138 …return static function (RequestInterface $request, array $options) use ($handler, $before, $after)…
140                     $before($request, $options);
142                 $response = $handler($request, $options);
144                     $after($request, $options, $response);
206 …return static function (RequestInterface $request, array $options = []) use ($handler, $logger, $f…
207                 return $handler($request, $options)->then(
208 …    static function ($response) use ($logger, $request, $formatter, $logLevel): ResponseInterface {
209                         $message = $formatter->format($request, $response);
214 …                  static function ($reason) use ($logger, $request, $formatter): PromiseInterface {
216 …               $message = $formatter->format($request, $response, P\Create::exceptionFor($reason));
247             return static function (RequestInterface $request, array $options) use ($handler, $fn) {
248                 return $handler($fn($request), $options);
263             return static function (RequestInterface $request, array $options) use ($handler, $fn) {
264                 return $handler($request, $options)->then($fn);