docs: protected void createLibraryHandlingGroup(Composite parent) {
  		fLibraryHandlingGroup= new Composite(parent, SWT.NONE);
  		GridLayout layout= new GridLayout();
  		fLibraryHandlingGroup.setLayout(layout);
  		fLibraryHandlingGroup.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL | GridData.GRAB_HORIZONTAL));
  
  		createLabel(fLibraryHandlingGroup, FatJarPackagerMessages.FatJarPackageWizardPage_libraryHandlingGroupTitle, false);
  
  		fExtractJarsRadioButton= new Button(fLibraryHandlingGroup, SWT.RADIO | SWT.LEFT);
  		fExtractJarsRadioButton.setText(FatJarPackagerMessages.FatJarPackageWizardPage_extractJars_text);
  		fExtractJarsRadioButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  		fExtractJarsRadioButton.addListener(SWT.Selection, new Listener() {
  			@Override
  			public void handleEvent(Event event) {
  				if (((Button)event.widget).getSelection())
  					fLibraryHandler= new ExtractLibraryHandler();
  			}
  		});
  
  		fPackageJarsRadioButton= new Button(fLibraryHandlingGroup, SWT.RADIO | SWT.LEFT);
  		fPackageJarsRadioButton.setText(FatJarPackagerMessages.FatJarPackageWizardPage_packageJars_text);
  		fPackageJarsRadioButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  		fPackageJarsRadioButton.addListener(SWT.Selection, new Listener() {
  			@Override
  			public void handleEvent(Event event) {
  				if (((Button)event.widget).getSelection())
  					fLibraryHandler= new PackageLibraryHandler();
  			}
  		});
  
  		fCopyJarFilesRadioButton= new Button(fLibraryHandlingGroup, SWT.RADIO | SWT.LEFT);
  		fCopyJarFilesRadioButton.setText(FatJarPackagerMessages.FatJarPackageWizardPage_copyJarFiles_text);
  		fCopyJarFilesRadioButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  		fCopyJarFilesRadioButton.addListener(SWT.Selection, new Listener() {
  			@Override
  			public void handleEvent(Event event) {
  				if (((Button)event.widget).getSelection())
  					fLibraryHandler= new CopyLibraryHandler();
  			}
  		});
  
  		// set default for first selection (no previous widget settings to restore)
  		setLibraryHandler(new ExtractLibraryHandler());
  	}