code: public ServiceRequestContextBuilder serverConfigurator(Consumer<? super ServerBuilder> serverConfigurator) {
          requireNonNull(serverConfigurator, "serverConfigurator");
          serverConfigurators.add(serverConfigurator);
          return this;
      }
docs: Adds the {@link Consumer} that configures the given {@link ServerBuilder}. The {@link Consumer}s added
  by thid method will be invoked when this builder builds a dummy {@link Server}. This may be useful
  when you need to update the default settings of the dummy {@link Server},
  such as {@link ServerConfig#defaultMaxRequestLength()}.