How to call asynchronous method from synchronous method in C#?

Question

I have a public async void Foo() method that I want to call from synchronous method. So far all I have seen from MSDN documentation is calling async methods via

Answer 1

var result = Task.Run(async () => await configManager.GetConfigurationAsync()).ConfigureAwait(false);

OpenIdConnectConfiguration config = result.GetAwaiter().GetResult();

Or use this:

var result=result.GetAwaiter().GetResult().AccessToken