code: public Collection<DetectionPoint> getAllDetectionPoints () {
  		Set<DetectionPoint> detectionPoints = new HashSet<DetectionPoint>();
  
  		for (Expression expression : this.expressions) {
  			detectionPoints.addAll(expression.getDetectionPoints());
  		}
  
  		return detectionPoints;
  	}
docs: /* returns all DetectionPoints contained within the Rule as a set