code: public final HttpClient protocol(HttpProtocol... supportedProtocols) {
  		return tcpConfiguration(tcpClient -> tcpClient.bootstrap(b -> HttpClientConfiguration.protocols(b, supportedProtocols)));
  	}
docs: The HTTP protocol to support. Default is {@link HttpProtocol#HTTP11}.
  
  @param supportedProtocols The various {@link HttpProtocol} this server will support
  
  @return a new {@link HttpClient}