public function analyseUNH(array $line)
    {
        if (\count($line) < 3) {
            return;
        }

        $lineElement = $line[2];
        if (!\is_array($lineElement)) {
            $this->messageFormat = $lineElement;

            return;
        }

        $this->messageFormat = $lineElement[0];
        $this->messageDirectory = $lineElement[2];
    }