Bug 236083 [Doc] Copyright update
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTableViewer.java
* @since 3.3
	 */
	protected abstract Item doGetItem(int index);
	/**
	 * Returns an array of {@link Item} that are currently selected in the
	 * receiver. The order of the items is unspecified. An empty array indicates
	 * that no items are selected.
	 *
	 * @return an array representing the selection
	 *
	 * @since 3.3
	 */
	protected abstract Item[] doGetSelection();
	/**
	 * Returns the zero-relative indices of the items which are currently
	 * selected in the receiver. The order of the indices is unspecified. The
	 * array is empty if no items are selected.
	 *
	 * @return an array representing the selection
	 *
	 * @since 3.3
	 */
	protected abstract int[] doGetSelectionIndices();
	/**
	 * Clears all the items in the receiver. The text, icon and other attributes
	 * of the items are set to their default values. If the table was created
	 * with the <code>SWT.VIRTUAL</code> style, these attributes are requested
	 * again as needed.
	 *
	 * @since 3.3