The EventCapturer interface is implemented by Node's which are
designated as being able to capture events.
This method is used when a capturing Node wishes to begin
capturing a particular type of event.
The name of the event to be captured
This method is used when a capturing Node wishes to cease
capturing a particular type of event.
The name of the event to be released
This method is called during the handling of an event by a capturing
Node to continue the event's flow to additional event handlers, or if none
are present, to the event's target.