Add a bunch of globals relating to chat frames

Globals.lua

@@ -1,5 +1,4 @@
 ---@meta
-
 ---@type Frame
 UIParent = {}
 
@@ -14,3 +13,58 @@ BattlefieldMinimapBackground = {}
 BattlefieldMinimapCloseButton = {}
 ---@type Frame
 BattlefieldMinimapCorner = {}
+
+---@type number
+NUM_CHAT_WINDOWS = 0
+
+---@param frame Frame
+---@return boolean
+FCF_IsValidChatFrame = function(frame) end
+
+---@param name string
+---@return boolean
+FCF_OpenNewWindow = function(name) end
+
+---@param name string
+---@return boolean
+FCF_OpenToChatFrame = function(name) end
+
+---@param frame Frame
+---@param messageGroup string
+---@return nil
+ChatFrame_AddMessageGroup = function(frame, messageGroup) end
+
+---@param frame Frame
+---@param messageGroup string
+---@return nil
+ChatFrame_RemoveMessageGroup = function(frame, messageGroup) end
+
+---@param frame Frame
+---@return nil
+ChatFrame_RemoveAllMessageGroups = function(frame) end
+
+---@param frame Frame
+---@param channel string
+---@return nil
+ChatFrame_AddChannel = function(frame, channel) end
+
+---@param frame Frame
+---@param channel string
+---@return nil
+ChatFrame_RemoveChannel = function(frame, channel) end
+
+---@param frame Frame
+---@return nil
+ChatFrame_RemoveAllChannels = function(frame) end
+
+-- Just simply chat frames, global variables
+---@type Frame
+ChatFrame1 = {}
+---@type Frame
+ChatFrame2 = {}
+---@type Frame
+ChatFrame3 = {}
+---@type Frame
+ChatFrame4 = {}
+---@type Frame
+ChatFrame5 = {}