container/activities/src/main/java/org/mobicents/slee/runtime/activity/ActivityContextCacheData.java
@SuppressWarnings("unchecked")
	public Set<SbbEntityID> getSbbEntitiesAttached() {
		final Node node  = getAttachedSbbsNode(false);
		return node != null ? node.getChildrenNames() : Collections.emptySet();		
	}
@SuppressWarnings("unchecked")
	public Set<SbbEntityID> getSbbEntitiesAttached() {
		final Node node  = getAttachedSbbsNode(false);
		return node != null ? node.getChildrenNames() : Collections.emptySet();		
	}
Return a set with all sbb entities attached.

@return