/**
* Writes an unarchive button for a list of records.
*
* @param string $task An override for the task.
* @param string $alt An override for the alt text.
*
* @return void
*
* @since 1.5
*/
public static function unarchiveList($task = 'unarchive', $alt = 'JTOOLBAR_UNARCHIVE')
{
$bar = Toolbar::getInstance('toolbar');
// Add an unarchive button (list).
$bar->appendButton('Standard', 'unarchive', $alt, $task, true);
}