Bug 38922 method getNextPage() in JavadocTreeWizardPage unnecessary [Javadoc] [Wizard]
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javadocexport/JavadocTreeWizardPage.java
fDocletText.addModifyListener(new ModifyListener() {
			public void modifyText(ModifyEvent e) {
				doValidation(CUSTOMSTATUS);
			}
		});
		
		fCustomButton.addSelectionListener(new EnableSelectionAdapter(new Control[] { fDocletLabel, fDocletText, fDocletTypeLabel, fDocletTypeText }, new Control[] { fDestinationLabel, fDestinationText, fDestinationBrowserButton }));
		fCustomButton.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				doValidation(CUSTOMSTATUS);
			}
		});
		fStandardButton.addSelectionListener(new EnableSelectionAdapter(new Control[] { fDestinationLabel, fDestinationText, fDestinationBrowserButton }, new Control[] { fDocletLabel, fDocletText, fDocletTypeLabel, fDocletTypeText }));
		fStandardButton.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				doValidation(STANDARDSTATUS);
			}
		});
		fDestinationBrowserButton.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent event) {
					String text= handleFolderBrowseButtonPressed(fDestinationText.getText(), fDestinationText.getShell(), JavadocExportMessages.getString("JavadocTreeWizardPage.destinationbrowsedialog.title"), 
	JavadocExportMessages.getString("JavadocTreeWizardPage.destinationbrowsedialog.label")); 
				fDestinationText.setText(text);
			}
		});
		setOptionSetSettings();
	}
	public boolean getCustom() {
		return fCustomButton.getSelection();
	}