@Override
    public void getConfig(ComponentsConfig.Builder builder) {
        builder.setApplyOnRestart(getDeferChangesUntilRestart()); //  Sufficient to set on one config
        builder.components.addAll(ComponentsConfigGenerator.generate(getAllComponents()));
        builder.components(new ComponentsConfig.Components.Builder().id("com.yahoo.container.core.config.HandlersConfigurerDi$RegistriesHack"));
    }
Returns all components in this cluster (generic, handlers, chained)
config-model/src/main/java/com/yahoo/vespa/model/container/ContainerCluster.java