The documentation does not match with the library API

[CypherPotato]

I'm trying to send an callback button to my chat. Your documentation shows me how I can make it:

However, when trying to apply the example the documentation provided, I get some API-related issues:

So, my question is: is there an documentation that contains the current code in Nuget?

Thank you.

[CypherPotato]

Forget about it. Read in the docs that the nuget source is outdated.

https://telegrambots.github.io/book/index.html#-installation