bool isPropagationStopped() Returns whether further event listeners should be triggered.

addSubscriber(

getWrappedListener()

bool hasListeners(string $eventName = null) Checks whether an event has any registered listeners

array getNotCalledListeners() Gets the not called listeners.

bool hasListeners(string $eventName = null) Checks whether an event has any registered listeners

Event dispatch(string $eventName,

removeSubscriber(

array getListeners(string $eventName = null) Gets the listeners of a specific event or all listeners

bool hasListeners(string $eventName = null) Checks whether an event has any registered listeners