default boolean isRootElement() {
        return true;
    }
Define a {@link Configurator} which handles a root configuration element, identified by name.
Note: we assume any configurator here will use a unique name for root element.
@author <a href="mailto:nicolas.deloof@gmail.com">Nicolas De Loof</a>
plugin/src/main/java/io/jenkins/plugins/casc/RootElementConfigurator.java