What scenarios exactly come under the umbrella of Scroll Hijacking?

I have read about Scroll Hijacking and understand its impact on UI.

I just want to ask what could be the possible scenarios on UI which represents Scroll Hijacking.

For example in below image [image 01 - Inline Scrolls] I have disabled the default scroll at HTML Body and introduced three panels with their inline scroll.

enter image description here(image 01 - Inline Scrolls)

So, in this scenario a user can only scroll a panel if his/her mouse cursor is focused on that particular panel and we have browser's default scroll i.e. NO JS.

Does this scenario come under the umbrella of Scroll Hijacking? Also please provide more examples

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