[Question] Prefixing/modifying a generic to get a different class

[Ketho]

In World of Warcraft we have a Frame class and a AceGUIFrame class, but the problem is they are created with CreateFrame("Frame") and AceGUI:Create("Frame") respectively.

How would I get AceGUI:Create("Frame") to return the AceGUIFrame class?

---@alias FrameType
---|"Frame"

---@class Frame
local Frame = {}
function Frame:SetToplevel(isTopLevel) end

---@generic T
---@param frameType `T` | FrameType
---@return T frame
function CreateFrame(frameType) end

local normalFrame = CreateFrame("Frame")
normalFrame:SetToplevel(true)

---@alias AceGUIContainerType
---|"Frame"

---@class AceGUIFrame
local AceGUIFrame = {}
function AceGUIFrame:SetTitle(text) end

local AceGUI = {}

---@generic T
---@param type `T` | AceGUIContainerType
---@return "AceGUI"..T
function AceGUI:Create(type) end

local aceguiFrame = AceGUI:Create("Frame")
aceguiFrame:SetTitle("Example")

Current behavior

Expected behavior

Original issue: Ketho/vscode-wow-api#43

[sumneko]

Operations on types are currently not supported