// 		// connection. 5 minutes is sufficient time for any idle connection.
	// 		trhttp2.ReadIdleTimeout = 5 * time.Minute
	// 		// PingTimeout is the timeout after which the connection will be closed
	// 		// if a response to Ping is not received.
	// 		trhttp2.PingTimeout = dialTimeout
	// 		// DisableCompression, if true, prevents the Transport from
	// 		// requesting compression with an "Accept-Encoding: gzip"

		t.IdleConnTimeout = defaultTransport.IdleConnTimeout
	}
	t2, err := http2.ConfigureTransports(t)
	if err != nil {
		return nil, err
	}
	t2.ReadIdleTimeout = time.Duration(30) * time.Second
	t2.PingTimeout = time.Duration(15) * time.Second
	return t, nil

func (t *http2Transport) disableCompression() bool {
	return t.DisableCompression || (t.t1 != nil && t.t1.DisableCompression)
}

func (t *http2Transport) pingTimeout() time.Duration {
	if t.PingTimeout == 0 {
		return 15 * time.Second
	}
	return t.PingTimeout

}

// ConfigureTransport configures a net/http HTTP/1 Transport to use HTTP/2.
// It returns an error if t1 has already been HTTP/2-enabled.
//