code: public void addToBlacklists(final Blacklist blacklist) {
  		if (null == getBlacklists()) {
  			setBlacklists(new java.util.TreeSet<Blacklist>());
  		}
  		getBlacklists().add(blacklist);
  	}
docs: add a blacklist item to the collection of blacklist associated to the application.
  @param blacklist