protected function processResponse(array $context = array())
    {
        if (!$this->response) {
            // If no response, then processResponse shouldn't have been called
            $e = new RequestException('Error completing request');
            $e->setRequest($this);
            throw $e;
        }

        $this->state = self::STATE_COMPLETE;

        // A request was sent, but we don't know if we'll send more or if the final response will be successful
        $this->dispatch('request.sent', $this->getEventArray() + $context);

        // Some response processors will remove the response or reset the state (example: ExponentialBackoffPlugin)
        if ($this->state == RequestInterface::STATE_COMPLETE) {

            // The request completed, so the HTTP transaction is complete
            $this->dispatch('request.complete', $this->getEventArray());

            // If the response is bad, allow listeners to modify it or throw exceptions. You can change the response by
            // modifying the Event object in your listeners or calling setResponse() on the request
            if ($this->response->isError()) {
                $event = new Event($this->getEventArray());
                $this->getEventDispatcher()->dispatch('request.error', $event);
                // Allow events of request.error to quietly change the response
                if ($event['response'] !== $this->response) {
                    $this->response = $event['response'];
                }
            }

            // If a successful response was received, dispatch an event
            if ($this->response->isSuccessful()) {
                $this->dispatch('request.success', $this->getEventArray());
            }
        }
    }