Represents the transport class of events across the system. It receives a name, subject and an optional payload. The name can be any string that uniquely identifies the event across the application, while the subject represents the object that the event applies to.
The Event List
The event manager is responsible for keeping track of event listeners, passing the correct data to them, and firing them in the correct order, when associated events are triggered. You can create multiple instances of this object to manage local events or keep a single instance and pass it around to manage all events in your app.
Objects implementing this interface can emit events.
Objects implementing this interface should declare the
implementedEvents function to notify the event manager what methods should be called when an event is triggered.
Provides the event manager interface features for usage in classes that require it.
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