findRequestFactory example

    public function createRequest($method, $uri, array $headers = [], $body = null, $protocolVersion = '1.1'): RequestInterface
    {
        if (2 < \func_num_args()) {
            trigger_deprecation('symfony/http-client', '6.2', 'Passing more than 2 arguments to "%s()" is deprecated.', __METHOD__);
        }
        if ($this->responseFactory instanceof RequestFactoryInterface) {
            $request = $this->responseFactory->createRequest($method, $uri);
        } elseif (class_exists(Psr17FactoryDiscovery::class)) {
            $request = Psr17FactoryDiscovery::findRequestFactory()->createRequest($method, $uri);
        } elseif (class_exists(Request::class)) {
            $request = new Request($method, $uri);
        } else {
            throw new \LogicException(sprintf('You cannot use "%s()" as no PSR-17 factories have been found. Try running "composer require php-http/discovery psr/http-factory-implementation:*".', __METHOD__));
        }

        $request = $request
            ->withProtocolVersion($protocolVersion)
            ->withBody($this->createStream($body ?? ''))
        ;

        

throw new Psr18NetworkException($e, $request);
        }
    }

    public function createRequest(string $method, $uri): RequestInterface
    {
        if ($this->responseFactory instanceof RequestFactoryInterface) {
            return $this->responseFactory->createRequest($method, $uri);
        }

        if (class_exists(Psr17FactoryDiscovery::class)) {
            return Psr17FactoryDiscovery::findRequestFactory()->createRequest($method, $uri);
        }

        if (class_exists(Request::class)) {
            return new Request($method, $uri);
        }

        throw new \LogicException(sprintf('You cannot use "%s()" as no PSR-17 factories have been found. Try running "composer require php-http/discovery psr/http-factory-implementation:*".', __METHOD__));
    }

    public function createStream(string $content = ''): StreamInterface
    {