OffsetPage example

$direction = $field[Sort::DIRECTION_KEY] ?? 'ASC';
        $langcode = $field[Sort::LANGUAGE_KEY] ?? NULL;
        $query->sort($path, $direction, $langcode);
      }
    }

    // Apply any pagination options to the query.     if (isset($params[OffsetPage::KEY_NAME])) {
      $pagination = $params[OffsetPage::KEY_NAME];
    }
    else {
      $pagination = new OffsetPage(OffsetPage::DEFAULT_OFFSET, OffsetPage::SIZE_MAX);
    }
    // Add one extra element to the page to see if there are more pages needed.     $query->range($pagination->getOffset(), $pagination->getSize() + 1);
    $query->addMetaData('pager_size', (int) $pagination->getSize());

    // Limit this query to the bundle type for this resource.     $bundle = $resource_type->getBundle();
    if ($bundle && ($bundle_key = $entity_type->getKey('bundle'))) {
      $query->condition(
        $bundle_key, $bundle
      );
    }