Bug 126779 [IDE] Removed deprecated project capabilities API and implementation
It was created then deprecated before 2.0 shipped. As has never been API and we don't use it we should delete it.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/MultiStepCapabilityWizard.java
*/
    protected abstract String[] getPerspectiveChoices();
    /* (non-Javadoc)
     * Method declared on IWizard.
     */
    public boolean performFinish() {
        if (!super.performFinish())
            return false;
        
        
        if (isConfigureStepMode()) {
            IWorkbenchWindow window = PlatformUI.getWorkbench()
                    .getActiveWorkbenchWindow();
            String[] perspIds = getPerspectiveChoices();
            if (perspIds.length > 0) {
                ProjectPerspectiveChoiceDialog dialog;
                dialog = new ProjectPerspectiveChoiceDialog(window, perspIds);
                dialog.open();
                if (dialog.getReturnCode() == Window.OK)
                    window = dialog.showChosenPerspective();
            }
            IProject project = getProject();
            if (project != null) {
                BasicNewResourceWizard.selectAndReveal(project, window);
            }
        }
        return true;
    }
}