Bug 77586 Build Path inclusion filters: filter language must be explained
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/TypeRestrictionEntryDialog.java
private StringButtonDialogField fExclusionPatternDialog;
	private StatusInfo fExclusionPatternStatus;
	
	private IContainer fCurrSourceFolder;
	private String fExclusionPattern;
	private List fExistingPatterns;
	private boolean fIsExclusion;
		
	public TypeRestrictionEntryDialog(Shell parent, boolean isExclusion, String patternToEdit, List existingPatterns, CPListElement entryToEdit) {
		super(parent);
		fIsExclusion= isExclusion;
		fExistingPatterns= existingPatterns;
		String title, message;