" is defined by multiple plugins");
" is defined by more than one plugin");
	public void addPlugin(Plugin plugin) throws OrderingConstraintException {		pluginList.add(plugin);				// Add ordering constraints		copyTo(plugin.interPassConstraintIterator(), interPassConstraintList);		copyTo(plugin.intraPassConstraintIterator(), intraPassConstraintList);				// Add detector factories		for (Iterator<DetectorFactory> i = plugin.detectorFactoryIterator(); i.hasNext(); ) {			DetectorFactory factory = i.next();			if (factoryMap.put(factory.getFullName(), factory) != null) {				throw new OrderingConstraintException("Detector " + factory.getFullName() +						" is defined by multiple plugins");			}		}	}