Bug 147737 [Wizards] Delete dead multi step wizard code
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/MultiStepWizard.java
return null;
		} else {
			return super.getPreviousPage(page);
		}
    }
    /**
     * Returns the description for the multi-step review
     * page.
     */
    protected abstract String getReviewPageDescription();
    /**
     * Returns the container handler for the pages
     * of the step's wizard.
     */
    WizardStepContainer getStepContainer() {
        return configPage.getStepContainer();
    }
    /**
     * Handles the problem of a missing step wizard.
     * 
     * @return <code>true</code> to retry, <code>false</code> to terminate
     * 		multi step wizard dialog.
     */
    abstract boolean handleMissingStepWizard(WizardStep step);
    /**
     * Returns whether the wizard is configuring steps
     */
    boolean isConfigureStepMode() {
        return getContainer().getCurrentPage() == configPage;
    }