lombok
Annotation Type ListenerSupport

@Target(value=TYPE)
@Retention(value=SOURCE)
public @interface ListenerSupport

Swing and other frameworks make extensive use of event listeners (Observer pattern) which usually involves a fair amount of boilerplate. With this annotation you just list the listeners you want to support and lombok-pg will generate the methods to add and remove listeners as well as convenience methods to fire events.

value

public abstract Class<?>[] value

List of the listeners you want to support.