Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.jface/src/org/eclipse/jface/action/MenuManager.java
public void menuHidden(MenuEvent e) {
                
            	handleAboutToHide();
            }
            public void menuShown(MenuEvent e) {
                handleAboutToShow();
            }
        });
        
        
    }
    /* (non-Javadoc)
     * @see org.eclipse.jface.action.IContributionItem#isDynamic()
     */
    public boolean isDynamic() {
        return false;
    }
    /**
     * Returns whether this menu should be enabled or not.
     * Used to enable the menu item containing this menu when it is realized as a sub-menu.
     * <p>
     * The default implementation of this framework method
     * returns <code>true</code>. Subclasses may reimplement.
     * </p>
     *
     * @return <code>true</code> if enabled, and
     *   <code>false</code> if disabled
     */
    public boolean isEnabled() {
        return true;