if trace != nil && trace.TLSHandshakeDone != nil {
		trace.TLSHandshakeDone(cs, nil)
	}
	pconn.tlsState = &cs
	pconn.conn = tlsConn
	return nil
}

type erringRoundTripper interface {
	RoundTripErr() error
}

var testHookProxyConnectTimeout = context.WithTimeout

func (t *Transport) dialConn(ctx context.Context, cm connectMethod) (pconn *persistConn, err error) {
	pconn = &persistConn{