static int _m_ReadAsync(RealStatePtr L)
        {
            try {
                ObjectTranslator translator = ObjectTranslatorPool.Instance.Find(L);


                MongoDB.Bson.IO.BsonStreamAdapter gen_to_be_invoked = (MongoDB.Bson.IO.BsonStreamAdapter)translator.FastGetCSObj(L, 1);



                {
                    byte[] _buffer = LuaAPI.lua_tobytes(L, 2);
                    int    _offset = LuaAPI.xlua_tointeger(L, 3);
                    int    _count  = LuaAPI.xlua_tointeger(L, 4);
                    System.Threading.CancellationToken _cancellationToken; translator.Get(L, 5, out _cancellationToken);

                    System.Threading.Tasks.Task <int> gen_ret = gen_to_be_invoked.ReadAsync(_buffer, _offset, _count, _cancellationToken);
                    translator.Push(L, gen_ret);



                    return(1);
                }
            } catch (System.Exception gen_e) {
                return(LuaAPI.luaL_error(L, "c# exception:" + gen_e));
            }
        }