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
}
    
    /**
     * Returns the index of the item currently at the top of the viewable area.
     * <p>
     * Default implementation returns -1.
     * </p>
     * @return index, -1 for none
     * @since 3.3
     */
    protected int listGetTopIndex(){
    	return -1;
    }
    /**
     * Sets the index of the item to be at the top of the viewable area.
     * <p>
     * Default implementation does nothing.
     * </p>
     * @param index the given index. -1 for none.  index will always refer to a valid index.
     * @since 3.3
     */
    protected void listSetTopIndex(int index) {
    }
    
    /**
     * Removes the given elements from this list viewer.
     *
     * @param elements the elements to remove
     */
    private void internalRemove(final Object[] elements) {