protected override async System.Threading.Tasks.Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, System.Threading.CancellationToken cancellationToken)
{
var serializer = _messageSerializers.FirstOrDefault(p => p.HandlesContentType(HttpContext.Current.Request.ContentType)) ?? new DefaultMessageSerializer();
request = serializer.OnRequest(request, cancellationToken);
var response = await base.SendAsync(request, cancellationToken);
var links = _responseProvider.CreateLinks(response); // TODO Async?! Why?!
return(serializer.OnResponse(request, response, ((ObjectContent)response.Content).Value, links));
}