using System;

using System.Threading.Tasks;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

    private async Task<bool> Compiles()

    {

        var result = await GetResult();

        return result;

    }

    private async Task<bool> DoesNotCompile()

    {

        var result = await GetResult();

        return GetResult();

    }

    private Task<bool> GetResult()

    {

        // OK to return task because the method is not async.

        return Task.FromResult(true);

    }

}