code: private Checkpoints getBWCheckpoints(Bw bwService) {
  		for (Object o : bwService.getRest()) {
  			if (o.getClass().equals(Checkpoints.class)) {
  				return (Checkpoints) o;
  			}
  		}
  		
  		return null;
  	}
docs: This method retrieves {@link Checkpoints} object from Bw.getRest() objects