code: public CentralDogma build() throws UnknownHostException {
          final Endpoint endpoint = endpoint();
          final String scheme = "none+" + (isUseTls() ? "https" : "http") + "://";
          final String uri = scheme + endpoint.authority();
          final ClientBuilder builder =
                  newClientBuilder(uri, cb -> cb.decorator(HttpDecodingClient.newDecorator()));
          return new ArmeriaCentralDogma(clientFactory().eventLoopGroup(),
                                         builder.build(HttpClient.class), accessToken());
      }
docs: Returns a newly-created {@link CentralDogma} instance.
  
  @throws UnknownHostException if failed to resolve the host names from the DNS servers