Can a layout file change the document language settings

[ehud.behar at protonmail.com]

I am writing a document in a non-English language.

To take care of that, one can navigate to Document Settings->Language and choose the document language and language package in that menu (I know, those settings are saved in the header of lyx file).

Either way, my question is: Can a new layout file that I write (let's call it myNewLayout.layout) which is later to be chosen as the document class in LyX, can make an effect on these two settings? I guess that the answer is no, since I never found such a class parameter in section 5.3.5 of the customization manual, but I want to be sure about it.
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