public Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, bool doRequestAuth, CancellationToken cancellationToken)
{
if (doRequestAuth && Settings._credentials != null)
{
return(AuthenticationHelper.SendWithRequestAuthAsync(request, Settings._credentials, Settings._preAuthenticate, this, cancellationToken));
}
return(SendWithProxyAuthAsync(request, doRequestAuth, cancellationToken));
}
