public Task <int> MyMethodAsync(int parameter)
        {
            DecompiledStateMachine.MyMethodAsyncStateMachine d__ = new DecompiledStateMachine.MyMethodAsyncStateMachine();
            d__.__this    = this;
            d__.parameter = parameter;
            d__.__builder = AsyncTaskMethodBuilder <int> .Create();

            d__.__state = -1;

            AsyncTaskMethodBuilder <int> t__builder = d__.__builder;

            t__builder.Start <DecompiledStateMachine.MyMethodAsyncStateMachine>(ref d__);
            return(d__.__builder.Task);
        }
            void IAsyncStateMachine.MoveNext()
            {
                int num = this.__state;
                int result2;

                try
                {
                    TaskAwaiter <int> taskAwaiter;
                    if (num != 0)
                    {
                        //taskAwaiter = Task.FromResult<int>(this.parameter + 1).GetAwaiter();
                        taskAwaiter = this.__this.Delay(this.parameter).GetAwaiter();

                        if (!taskAwaiter.IsCompleted)
                        {
                            this.__state       = 0;
                            this.__taskAwaiter = taskAwaiter;
                            DecompiledStateMachine.MyMethodAsyncStateMachine d__ = this;
                            this.__builder.AwaitUnsafeOnCompleted
                            <TaskAwaiter <int>, DecompiledStateMachine.MyMethodAsyncStateMachine>(ref taskAwaiter, ref d__);
                            return;
                        }
                    }
                    else
                    {
                        taskAwaiter        = this.__taskAwaiter;
                        this.__taskAwaiter = default(TaskAwaiter <int>);
                        this.__state       = -1;
                    }
                    int result = taskAwaiter.GetResult();
                    taskAwaiter    = default(TaskAwaiter <int>);
                    this.__result2 = result;
                    this.__result  = this.__state;
                    result2        = this.__result;
                }
                catch (Exception exception)
                {
                    this.__state = -2;
                    this.__builder.SetException(exception);
                    return;
                }
                this.__state = -2;
                this.__builder.SetResult(result2);
            }