protected function logInformation()
    {
        if ($this->logger) {
            $level = $this->info["http_code"] > 0 && $this->info["http_code"] < 400
                ? LogLevel::INFO
                : LogLevel::ERROR;
            $this->info["method"] = $this->method;
            $this->logger->log($level, $this->logFormat, $this->info);
        }
    }