add cclua annotation api

.luarc.json

@@ -7,6 +7,7 @@
   ],
   "workspace.ignoreSubmodules": false,
   "diagnostics.globals": [
+    "DEBUG",
     "main",
     "api_dir",
     "autoconf",

addons/cclua/box2d/config.json

@@ -0,0 +1,6 @@
+{
+    "$schema": "https://raw.githubusercontent.com/LuaLS/LLS-Addons/main/schemas/addon_config.schema.json",
+    "words": ["%s+-box2d"],
+    "files": ["box2d"],
+    "settings": {}
+}

addons/cclua/box2d/library/b2/AABB.lua

@@ -0,0 +1,50 @@
+---@meta b2.AABB
+
+---An axis aligned bounding box.
+---@class b2.AABB 
+---@field center b2.Vec2 Get the center of the AABB.
+---@field extents b2.Vec2 Get the extents of the AABB (half-widths).
+---@field perimeter number Get the perimeter length
+---@field valid boolean Verify that the bounds are sorted.
+---@field lowerBound b2.Vec2
+---@field upperBound b2.Vec2
+local AABB = {}
+
+---@return any
+function AABB:__gc() end
+
+---@return any
+function AABB:__olua_move() end
+
+---Combine an AABB into this one.
+---@param aabb b2.AABB
+---@overload fun(self: b2.AABB, aabb1: b2.AABB, aabb2: b2.AABB)
+function AABB:combine(aabb) end
+
+---Does this aabb contain the provided AABB.
+---@param aabb b2.AABB
+---@return boolean
+function AABB:contains(aabb) end
+
+---Get the center of the AABB.
+---@return b2.Vec2
+function AABB:getCenter() end
+
+---Get the extents of the AABB (half-widths).
+---@return b2.Vec2
+function AABB:getExtents() end
+
+---Get the perimeter length
+---@return number
+function AABB:getPerimeter() end
+
+---Verify that the bounds are sorted.
+---@return boolean
+function AABB:isValid() end
+
+---@param output b2.RayCastOutput
+---@param input b2.RayCastInput
+---@return boolean
+function AABB:rayCast(output, input) end
+
+return AABB