Is type hint of push method inappropriate? It seems to conflict with handleMessage

I learned that type of $job in yii\queue\Queue::push($job) can be mixed except JobInterface instance. That meaings I can pass any type of parameter like string,array or object to this method.

In order to coverting $job to $message, I have to set yii\queue\Queue::$strictJobType to false for avoiding throwing exceptions.

The problem is coming, Why can't I handle receiving message in yii\queue\Queue::handleMessage, this method require message deserialized to be instance of JobInterface. Is this not against push method that allow passing type of non-JobInterface?

Do I need to implement class extend yii\queue\cli\Queue and override handleMessage? No need to do this, I‘m not going to develop new driver. I just use yii-queue according to the type hint of push mehod.

Start by comparing yii\queue\Queue::push($job), the strictJobType setting, and yii\queue\Queue::handleMessage, then inspect how the queue driver serializes and deserializes jobs. Determine whether the type contract is inconsistent and identify the expected behavior; done means the contract is corrected or clearly documented with coverage for the reported input types.