Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractListViewer.java
}
	/* (non-Javadoc)
     * Method declared on StructuredViewer.
     */
    protected void doUpdateItem(Widget data, Object element, boolean fullMap) {
        if (element != null) {
            int ix = getElementIndex(element);
            if (ix >= 0) {
                ILabelProvider labelProvider = (ILabelProvider) getLabelProvider();
                listSetItem(ix, getLabelProviderText(labelProvider,element));
            }
        }
    }
    /* (non-Javadoc)
     * Method declared on Viewer.
     */
    public abstract Control getControl();
    /**
     * Returns the element with the given index from this list viewer.
     * Returns <code>null</code> if the index is out of range.
     *
     * @param index the zero-based index
     * @return the element at the given index, or <code>null</code> if the
     *   index is out of range
     */
    public Object getElementAt(int index) {
        if (index >= 0 && index < listMap.size()) {
			return listMap.get(index);
		}
        return null;