public TomcatServiceBuilder configurator(Consumer<? super StandardServer> configurator) {
        configurators.add(requireNonNull(configurator, "configurator"));
        return this;
    }
Adds a {@link Consumer} that performs additional configuration operations against
the Tomcat {@link StandardServer} created by a {@link TomcatService}.
tomcat10/src/main/java/com/linecorp/armeria/server/tomcat/TomcatServiceBuilder.java