If this is about Visual Studio chekc out the last post of mine, this link:
https://www.esoui.com/forums/showthread.php?t=9875
At the bottom is a VS eso framework (Visual Studio addon framework) mentioned, which provides autocomplete (intellisense) and other helpers.
Maybe this is what you want to achieve?
You can check which lua plugin is used there and what teh Wiki says how to setup the esoui documentation *.lua and *.xml file include.