return (IContainer[]) res.toArray(new IContainer[res.size()]);
return res;
	private IContainer[] getExistingContainers(CPListElement existing) {		List res= new ArrayList();		List cplist= fFoldersList.getElements();		for (int i= 0; i < cplist.size(); i++) {			CPListElement elem= (CPListElement)cplist.get(i);			if (elem != existing) {				IResource resource= elem.getResource();				if (resource instanceof IContainer) { // defensive code					res.add(resource);					}			}		}		return (IContainer[]) res.toArray(new IContainer[res.size()]);	}