Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.jface/src/org/eclipse/jface/action/MenuManager.java
}
    /* (non-Javadoc)
     * @see org.eclipse.jface.action.IContributionItem#isGroupMarker()
     */
    public boolean isGroupMarker() {
        return false;
    }
    /* (non-Javadoc)
     * @see org.eclipse.jface.action.IContributionItem#isSeparator()
     */
    public boolean isSeparator() {
        return false;
    }
    /**
     * Check if the contribution is item is a subsitute for ourselves
     * 
     * @param item the contribution item
     * @return <code>true</code> if give item is a substitution for ourselves 
     * @deprecated this method is no longer a part of the 
     *   {@link org.eclipse.jface.action.IContributionItem} API.
     */
    public boolean isSubstituteFor(IContributionItem item) {
        return this.equals(item);
    }
    /* (non-Javadoc)
     * @see org.eclipse.jface.action.IContributionItem#isVisible()
     */
    public boolean isVisible() {
        if (!visible) {
			return false;