LuaInterface.LuaDLL.luaL_unref C# (CSharp) Method

        public static extern void luaL_unref(IntPtr luaState, int registryIndex, int reference);
        public static void lua_unref(IntPtr luaState, int reference)

 public override void Dispose(bool dispose)
 {
     if (dispose)
     {
         LuaDLL.luaL_unref(parent.L, LuaIndexes.LUA_REGISTRYINDEX, threadRef);
     }
 }