const net/http/internal/http2.NextProtoTLS

5 uses

	net/http/internal/http2 (current package)
		http2.go#L75: 	NextProtoTLS = "h2"
		transport.go#L563: 	if !slices.Contains(cfg.NextProtos, NextProtoTLS) {
		transport.go#L564: 		cfg.NextProtos = append([]string{NextProtoTLS}, cfg.NextProtos...)
		transport.go#L578: 	if p := state.NegotiatedProtocol; p != NextProtoTLS {
		transport.go#L579: 		return nil, fmt.Errorf("http2: unexpected ALPN protocol %q; want %q", p, NextProtoTLS)