/**
* Append multiple values to the current array field.
*
* If the field does not exist, it will be set to an array containing the
* values in the argument. If the field is not an array, the query will
* yield an error.
*
* This operator is deprecated in MongoDB 2.4. {@link Builder::push()} and
* {@link Expr::each()} should be used in its place.
*
* @see Expr::pushAll()
* @see http://docs.mongodb.org/manual/reference/operator/pushAll/
* @param array $values
* @return self
*/
public function pushAll(array $values)
{
$this->expr->pushAll($values);
return $this;
}