IEventDispatcher The IEventDispatcher interface defines methods for adding or removing event listeners, checks whether specific types of event listeners are registered, and dispatches events.
 Event The Event class is used as the base class for the creation of Event objects, which are passed as parameters to event listeners when an event occurs.
 EventDispatcher The EventDispatcher class is the base class for all classes that dispatch events.
 HTTPStatusEvent TODO
 TimerEvent TODO