Added a wsType class needed for some of the Export functions.

library/mission/types.lua

@@ -20,25 +20,31 @@
 ---@field weapon_name string?
 
 ---`vec2.x = vec3.x = north`<br>`vec2.y = vec3.z = east`
----@class vec2
+---@class (exact) vec2
 ---@field x number positive x is north
 ---@field y number positive y is east
 
 ---`vec3.x = north`<br>`vec3.y = up`<br>`vec3.z = east`<br>
 ---![](https://www.digitalcombatsimulator.com/upload/medialibrary/c96/Pos3_illustration2.jpg)
----@class vec3
+---@class (exact) vec3
 ---@field x number positive x is north
 ---@field y number positive y is up
 ---@field z number positive z is east
 
 ---A table describing how a unit's local nose, up, right axes translate to world axes using three unit vectors. Also contains its location.<br>`pos.x = vec3` unit vector of nose direction<br>`pos.y = vec3` unit vector of up direction<br>`pos.z = vec3` unit vector of right direction<br>`pos.p = vec3` location of the object<br>
 ---![](https://www.digitalcombatsimulator.com/upload/medialibrary/c96/Pos3_illustration2.jpg)
----@class pos3
+---@class (exact) pos3
 ---@field x vec3 nose unit vector
 ---@field y vec3 up unit vector
 ---@field z vec3 right unit vector
 ---@field p vec3 location vector
 
----@class zone
+---@class (exact) zone
 ---@field point vec3
----@field radius number
+---@field radius number
+
+---@class (exact) wsType
+---@field level1 integer Level 1 type.
+---@field level2 integer Level 2 type.
+---@field level3 integer Level 3 type.
+---@field level4 integer Level 4 type.