Bug 121796 [Viewers] getControl() contains no javadoc
AbstractListViewer.getControl() contains no javadoc, and is still declared abstract. It serves no purpose in this class. If it needs to remain, it should have javadoc to outline the requirement that an org.swt.widgets.List is expected.
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractListViewer.java
Object[] children = getSortedChildren(getRoot());
        int size = children.length;
        listRemoveAll();
        String[] labels = new String[size];
        for (int i = 0; i < size; i++) {
            Object el = children[i];
            labels[i] = getLabelProviderText((ILabelProvider) getLabelProvider(),el);
            listMap.add(el);
            mapElement(el, getControl()); 
        }
        listSetItems(labels);
    }
    /* (non-Javadoc)
     * Method declared on StructuredViewer.
     */
    protected void internalRefresh(Object element) {
        Control list = getControl();
        if (element == null || equals(element, getRoot())) {
            
            if (listMap != null) {
				listMap.clear();
			}
            unmapAllElements();
            List selection = getSelectionFromWidget();
            
            int topIndex = -1;
            if (selection == null || selection.isEmpty()) {
            	topIndex = listGetTopIndex();
            }