* @return A newly created instance of the DefaultActor class
*/
public final DefaultActor actor(@DelegatesTo(DefaultActor.class) final Runnable handler) {
final DefaultActor actor = new DefaultActor(handler);
actor.setParallelGroup(this);
actor.start();
return actor;
}
/**
* Creates a new instance of BlockingActor, using the passed-in closure as the body of the actor's act() method.