Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.jface/src/org/eclipse/jface/wizard/WizardDialog.java
int size = nestedWizards.size();
			if (size >= 2 && nestedWizards.get(size - 2) == wizard) {
				nestedWizards.remove(size - 1);
			} else {
				
				nestedWizards.add(wizard);
			}
		}
	}
	/*
	 * (non-Javadoc) Method declared on IWizardContainer.
	 */
	public void showPage(IWizardPage page) {
		if (page == null || page == currentPage) {
			return;
		}
		if (!isMovingToPreviousPage) {
			
			page.setPreviousPage(currentPage);
		} else {
			isMovingToPreviousPage = false;
		}
		
		if (!doPageChanging(page))
			return;
		
		if (getContents() == null) {
			updateForPage(page);
		} else {
			final IWizardPage finalPage = page;