public Set getNamesBoundCopy() {
		final Node node = getNamesBoundNode(false);
		return node != null ? node.getChildrenNames() : Collections.emptySet();
	}
public Set getNamesBoundCopy() {
		final Node node = getNamesBoundNode(false);
		return node != null ? node.getChildrenNames() : Collections.emptySet();
	}
public Set getNamesBoundCopy ( ) { final Node node = getNamesBoundNode ( false ) ; return node != null ? node . getChildrenNames ( ) : Collections . emptySet ( ) ; }
Returns the set of names bound to the ac

@return
Returns the set of names bound to the ac