[AsyncInterceptor]
        public async Task Bar()
        {
            string s = "H";
            await Foo1();

            s += "i";
            await Foo2();

            throw new Exception();
            Console.WriteLine(s);
        }

        private async Task Foo1()
        {
            await Task.Delay(1000);
            throw new Exception("1");
        }

        private async Task Foo2()
        {
            await Task.Delay(1000);
            throw new Exception("2");
        }