NetworkException example

$clone = clone $this;
        $clone->client = $clone->client->withOptions($options);

        return $clone;
    }

    public function sendRequest(RequestInterface $request): Psr7ResponseInterface
    {
        try {
            return $this->waitLoop->createPsr7Response($this->sendPsr7Request($request));
        } catch (TransportExceptionInterface $e) {
            throw new NetworkException($e->getMessage(), $request, $e);
        }
    }

    public function sendAsyncRequest(RequestInterface $request): HttplugPromise
    {
        if (!$promisePool = $this->promisePool) {
            throw new \LogicException(sprintf('You cannot use "%s()" as the "guzzlehttp/promises" package is not installed. Try running "composer require guzzlehttp/promises".', __METHOD__));
        }

        try {
            $response = $this->sendPsr7Request($request, true);
        }

                    if ([, $promise] = $this->promisePool[$response] ?? null) {
                        unset($this->promisePool[$response]);
                        $promise->resolve($this->createPsr7Response($response, true));
                    }
                } catch (\Exception $e) {
                    if ([$request, $promise] = $this->promisePool[$response] ?? null) {
                        unset($this->promisePool[$response]);

                        if ($e instanceof TransportExceptionInterface) {
                            $e = new NetworkException($e->getMessage(), $request, $e);
                        }

                        $promise->reject($e);
                    }
                }

                $guzzleQueue->run();

                if ($pendingResponse === $response) {
                    return $this->promisePool->count();
                }