Bug 168888 [Wizards] PageTransition classes may need rename/reorg
bundles/org.eclipse.jface/src/org/eclipse/jface/wizard/Wizard.java
if (index == pages.size() - 1 || index == -1) {
			
            return null;
		}
        return (IWizardPage) pages.get(index + 1);
    }
    /*
     * (non-Javadoc) Method declared on IWizard.
     */
    public IWizardPage getPage(String name) {
        for (int i = 0; i < pages.size(); i++) {
            IWizardPage page = (IWizardPage) pages.get(i);
            String pageName = page.getName();
            if (pageName.equals(name)) {
				return page;
			}
        }
        return null;
    }
    /*
     * (non-Javadoc) Method declared on IWizard.
     */
    public int getPageCount() {
        return pages.size();
    }
    /*
     * (non-Javadoc) Method declared on IWizard.
     */
    public IWizardPage[] getPages() {
        return (IWizardPage[]) pages.toArray(new IWizardPage[pages.size()]);