EmmyLua class inheritance

[Ketho]

I'm trying to use class inheritance as described in the EmmyLua doc but can't get it to work.
Here the Button:RegisterEvent() method does not get inherited from Frame.

---@class Frame
local Frame = {}

---@param event string
function Frame:RegisterEvent(event) end


---@class Button : Frame
local Button = {}

---@return boolean enabled
function Button:IsEnabled() end


---@type Button
local someBtn = {}

Similar examples:

• https://github.com/MrMartin92/vscode-lua-wow/blob/master/Widget/Button.lua
• https://github.com/Ellypse/IntelliJ-IDEA-Lua-IDE-WoW-API/blob/master/Widget%20APIs/UIObject/ParentedObject/Region/VisibleRegion/Frame/Button.lua
• Suggestion: Some sort of class inheritance tag? EmmyLua/IntelliJ-EmmyLua#11

[sumneko]

Should be supported.

[Ketho]