FulfilledPromise example

        }

        // Do not drain when the request is a HEAD request because they have         // no body.         if ($sink !== $stream) {
            $this->drain($stream, $sink, $response->getHeaderLine('Content-Length'));
        }

        $this->invokeStats($options, $request, $startTime, $response, null);

        return new FulfilledPromise($response);
    }

    private function createSink(StreamInterface $stream, array $options): StreamInterface
    {
        if (!empty($options['stream'])) {
            return $stream;
        }

        $sink = $options['sink'] ?? Psr7\Utils::tryFopen('php://temp', 'r+');

        return \is_string($sink) ? new Psr7\LazyOpenStream($sink, 'w+') : Psr7\Utils::streamFor($sink);
    }

        // Return the response if it is present and there is no error.         $factory->release($easy);

        // Rewind the body of the response if possible.         $body = $easy->response->getBody();
        if ($body->isSeekable()) {
            $body->rewind();
        }

        return new FulfilledPromise($easy->response);
    }

    private static function invokeStats(EasyHandle $easy): void
    {
        $curlStats = \curl_getinfo($easy->handle);
        $curlStats['appconnect_time'] = \curl_getinfo($easy->handle, \CURLINFO_APPCONNECT_TIME);
        $stats = new TransferStats(
            $easy->request,
            $easy->response,
            $curlStats['total_time'],
            $easy->errno,
            

// Return a Guzzle promise that shadows the given promise.         if (is_object($value) && method_exists($value, 'then')) {
            $wfn = method_exists($value, 'wait') ? [$value, 'wait'] : null;
            $cfn = method_exists($value, 'cancel') ? [$value, 'cancel'] : null;
            $promise = new Promise($wfn, $cfn);
            $value->then([$promise, 'resolve'], [$promise, 'reject']);

            return $promise;
        }

        return new FulfilledPromise($value);
    }

    /** * Creates a rejected promise for a reason if the reason is not a promise. * If the provided reason is a promise, then it is returned as-is. * * @param mixed $reason Promise or reason. */
    public static function rejectionFor($reason): PromiseInterface
    {
        if ($reason instanceof PromiseInterface) {