updated for LuaLS findings

src/classes/capClasses/airGroups/InterceptGroup.lua

@@ -226,7 +226,8 @@ function InterceptGroup:UpdateTask()
         return 30 -- Return to base if no intercept point could be calculated
     end
 
-    local mission = nil
+    ---@type table
+    local mission
     if self:IsInAir() == true then
         -- If the group is in the air, create an intercept mission
         mission = INTERCEPT.getMissionFromInAir(

src/classes/stageClasses/missions/baseMissions/Mission.lua

@@ -68,10 +68,10 @@ function Mission:SpawnPersistedState() end
 function Mission:SpawnActive() end
 
 ---comment
----@param checkHealth boolean
----@param messageIfDone boolean
+---@param _checkHealth boolean
+---@param _messageIfDone boolean
 ---@diagnostic disable-next-line: unused-local
-function Mission:UpdateState(checkHealth, messageIfDone) end
+function Mission:UpdateState(_checkHealth, _messageIfDone) end
 function Mission:StartCheckingContinuous() end
 
 function Mission:PercentageComplete()

src/classes/util/DcsUtil.lua

@@ -293,7 +293,8 @@ do     -- INIT DCS_UTIL
         if Util.tableLength(group_names) < 1 then return {} end
 
         for k = 1, #group_names do
-            local entry = nil
+            ---@type { unit : Unit|StaticObject|nil, groupname: string }|nil
+            local entry
             local group = Group.getByName(group_names[k])
             if group ~= nil then
                 entry = { unit = group:getUnit(1), groupname = group_names[k] }
@@ -302,7 +303,7 @@ do     -- INIT DCS_UTIL
             end
 
             if entry and entry.unit and entry.unit:isExist() == true then
-                units[#units + 1] = entry
+                units[#units + 1] = { groupname = entry.groupname, unit = entry.unit }
             end
         end