protected function sizeMax($key, $lengthValue, $max, $not = true)
    {
        if (($lengthValue > $max) && $not) {
            $this->addReturn($key, 'must', [ ':max' => $max ]);
        } elseif (!($lengthValue > $max) && !$not) {
            $this->addReturn($key, 'not', [ ':max' => $max ]);
        }
    }