public functionpager($limit = 10, $element = NULL) {
// Even when not using SQL, storing the element PagerSelectExtender is as// good as anywhere else.if (!isset($element)) {
$element = \Drupal::service('pager.manager')->getMaxPagerElementId() + 1;
}
$this->pager = [
'limit' => $limit,
'element' => $element,
];
return$this;
}