return
	}
	// Enable HTTP/2 by default if the user hasn't otherwise
	// configured their TLSNextProto map.
	if srv.TLSNextProto == nil {
		conf := &http2Server{}
		srv.nextProtoErr = http2ConfigureServer(srv, conf)
	}
}

// TimeoutHandler returns a [Handler] that runs h with the given time limit.
//
// The new Handler calls h.ServeHTTP to handle each request, but if a

	s.mu.Unlock()
}

// ConfigureServer adds HTTP/2 support to a net/http Server.
//
// The configuration conf may be nil.
//
// ConfigureServer must be called before s begins serving.
func http2ConfigureServer(s *Server, conf *http2Server) error {
	if s == nil {
		panic("nil *http.Server")
	}
	if conf == nil {
		conf = new(http2Server)
	}