Bug 305200 [EditorMgmt] FileEditorMappingContentProvider could just be replaced by ArrayContentProvider
This class doesn't seem to be very useful.
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/dialogs/WizardExportPage.java
/**
 * Abstract superclass for a typical export wizard's main page.
 * <p>
 * Clients may subclass this page to inherit its common destination resource
 * selection facilities.
 * </p>
 * <p>
 * Subclasses must implement 
 * <ul>
 *   <li><code>createDestinationGroup</code></li>
 * </ul>
 * </p>
 * <p>
 * Subclasses may override
 * <ul>
 *   <li><code>allowNewContainerName</code></li>
 * </ul>
 * </p>
 * <p>
 * Subclasses may extend
 * <ul>
 *   <li><code>handleEvent</code></li>
 *   <li><code>internalSaveWidgetValues</code></li>
 *   <li><code>updateWidgetEnablements</code></li>
 * </ul>
 * </p>
 * @deprecated use WizardExportResourcePage
 */
public abstract class WizardExportPage extends WizardDataTransferPage {
    private IStructuredSelection currentResourceSelection;