private static HttpRequestMessage BuildRequestWithHeaders(this ClientConfiguration configuration, RequestDescriptor requestDescriptor, string hostOrigin, Dictionary <string, object> context = null)
{
var safeContext = context ?? new Dictionary <string, object>();
if (hostOrigin != null)
{
safeContext["hostOrigin"] = hostOrigin;
}
var request = requestDescriptor.BuildRequest(safeContext);
configuration.AddConfigurationVersionIdHeader(request);
configuration.AddTimeoutHeader(request, requestDescriptor);
return(request);
}