protected function validateFilesystemOptions($options)
	{
		if (preg_match("/:id\b/", $options['url']) !== 1 && preg_match("/:id_partition\b/", $options['url']) !== 1 && preg_match("/:hash\b/", $options['url']) !== 1) {
			throw new Exceptions\InvalidUrlOptionException('Invalid Url: an id, id_partition, or hash interpolation is required.', 1);
		}
	}