public void Post2(Contact contact = null) { }
public void DemoAction(string str, Contact contact, HttpRequestMessage request, CancellationToken cancellationToken, HttpContent content) { }
public void Post1(Contact contact) { }
public void Post2(Contact contact = null) { }
public void DemoAction(string str, Contact contact, HttpRequestMessage request, CancellationToken cancellationToken, HttpContent content) { }
public void Post1(Contact contact) { }