public function logMessage(Message $message): void
    {
        if (in_array($message->getLevel(), $this->config['log'])) {
            if ($this->getMessageFunction !== null) {
                $line = call_user_func($this->getMessageFunction, $message);
            } else {
                $time = $message->getTime()->format('y-m-d H:i:s.v');
                $level = strtoupper($message->getLevel());
                $space = str_repeat(' ', 10 - strlen($level));
                $who = $message->getWho() ?? Log::getWho();
                $line = "{$time} {$level}{$space}{$who}\t{$message->getMessage()}\n";
            }

            if (is_string($line)) {
                print $line;
            }
        }
    }