This event deals with the following attributes of virtual-server element id, http-listeners, default-web-module, hosts, state, doc-root, and log-file.
Create a new HSVirtualServerEvent.paraminstance name of the instance to which the event appliesparamaction type of action - one of ElementChangeEvent.ACTION_ELEMENT_*throwsIllegalArgumentException if specified action is not valid super(instance, HSVirtualServerEvent.eventType, action, name);
super(instance, HSVirtualServerEvent.eventType, action, name);