/**
* Wrapper method for MongoCursor::addOption().
*
* @see \Doctrine\MongoDB\Cursor::addOption()
* @see http://php.net/manual/en/mongocursor.addoption.php
* @param string $key
* @param mixed $value
* @return self
*/
public function addOption($key, $value)
{
$this->baseCursor->addOption($key, $value);
return $this;
}