// If they aren't set then the documented contract is to use Dial or DialTLS, even
	// though they are deprecated. Therefore, if any of these are set, we should obey
	// the contract and dial using the regular round-trip instead. Otherwise, we'll try
	// to fall back on the Fetch API, unless it's not available.
	if t.Dial != nil || t.DialContext != nil || t.DialTLS != nil || t.DialTLSContext != nil || jsFetchMissing || jsFetchDisabled {

pkg net/http, method (*Request) BasicAuth() (string, string, bool)

# CL 137940043 net/http: add Transport.DialTLS hook, Brad Fitzpatrick <******@****.***>
pkg net/http, type Transport struct, DialTLS func(string, string) (net.Conn, error)

# CL 132750043 net/http/httputil: Pass a Logger to ReverseProxy, allowing the user to control logging., Mark Theunissen <******@****.***>

	}))
	defer cst.close()

	var numOpen, numClose int32 // atomic

	tlsConfig := &tls.Config{InsecureSkipVerify: true}
	tr := &Transport{
		TLSClientConfig: tlsConfig,
		DialTLS: func(_, addr string) (net.Conn, error) {
			time.Sleep(10 * time.Millisecond)
			rc, err := net.Dial("tcp", addr)
			if err != nil {
				return nil, err
			}
			atomic.AddInt32(&numOpen, 1)