Message::formatFilesMessageOut

public function formatFilesMessageOut(): self
{
	if ($this->getChatId() && $this->hasFiles())
	{
		$messageFiles = $this->formatFileLinks();
		if (!empty($messageFiles))
		{
			$messageOut = $this->getMessageOut() ? $this->getMessageOut() . "n" : '';
			$messageOut .= implode("n", $messageFiles);
			$this->setMessageOut($messageOut);
		}
	}

	return $this;
}