Emmylua can help you with autocomplete via prepared annotations for this extension. The annotations are generated from LDoc documentation.
If you use this extension as a dependency, copy the /annotations.lua file to you project root. You can rename it to annotations-adam.lua for example to exclude name conflict with other dependency annotations.
In the code, you should to declare type on require module, like this:
---@type adam
local adam = require("adam.adam")
---@type adam.actions
local actions = require("adam.actions")https://emmylua.github.io/ https://github.com/EmmyLua/VSCode-EmmyLua