matchingSet.addAll(Arrays.asList(getMatchingElements())); matchingSet.removeAll(Arrays.asList(getMembersToDelete()));
matchingSet.addAll(Arrays.asList(getMatchingElements(new NullProgressMonitor()))); matchingSet.removeAll(Arrays.asList(getMembersToDelete(new NullProgressMonitor())));
	private Set getNotDeletedMembers() throws JavaModelException {		Set matchingSet= new HashSet();		matchingSet.addAll(Arrays.asList(getMatchingElements()));		matchingSet.removeAll(Arrays.asList(getMembersToDelete()));		return matchingSet;	}