private function portFromFallback($path, $newpath)
	{
		$buffer = $this->fallback->readStream($path);

		if (false === $buffer) {
			return false;
		}

		$result = $this->mainAdapter->writeStream($newpath, $buffer['stream'], []);

		if (\is_resource($buffer['stream'])) {
			\fclose($buffer['stream']);
		}

		return (false !== $result);
	}