private function success()
    {
        if (!isset($this->response['response']) or !is_string($this->response['response'])) {
            throw new \Exception('There is no response! PANIC!!');
        }
        $json_output = $this->general_config['json_decode'] == 'array' ? true : false;

        return json_decode($this->response['response'], $json_output);
    }