init90

    $post_codes_base_link = '';
    $post_code_description = $this->house->get('field_postcode')->getDataDefinition()->getDescription();
    if (UrlHelper::isValid($post_code_description, TRUE)) {
      $post_codes_base_url = \Drupal\Core\Url::fromUri($post_code_description);
      $post_codes_base_url->setOptions(['attributes' => ['target' => 'blank']]);
      $post_codes_base_link = \Drupal\Core\Link::fromTextAndUrl(
        t('Lithuania postcodes base'),
        $post_codes_base_url
      );
    }

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use Drupal\Core\Database\Database;
$connection_info = Database::getConnectionInfo('default');

$db = $connection_info['default']['database'];
$u = $connection_info['default']['username'];
$p = $connection_info['default']['password'];
$current_date = date('Y-m-d_H-i-s');

$command = "mysqldump --user=$u --password=$p $db";
$dump = shell_exec($command);

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          use Drupal\commerce_cart\CartManagerInterface;
          
          $store = \Drupal\commerce_store\Entity\Store::load(1);
          $cart =\Drupal::service('commerce_cart.cart_provider')->getCart('default',  $store);
          $cart->delete();
          \Drupal::service('commerce_cart.cart_manager')->emptyCart($cart, TRUE);

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<?php

namespace Drupal\node\Plugin\views\argument_default;

use Drupal\Core\Cache\Cache;
use Drupal\Core\Cache\CacheableDependencyInterface;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\views\Plugin\views\argument_default\ArgumentDefaultPluginBase;
use Drupal\node\NodeInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

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$f = \Drupal::entityTypeManager()->getStorage('fee_item')->load(42);
$f->set('default_sum', 0);
$f->setNewRevision(TRUE);
$f->revision_log = t('Display fee item in list2.');
$f->setRevisionCreationTime(REQUEST_TIME);
$f->setRevisionUserId(1);
$f->save();

init90

\Drupal::service('entity.definition_update_manager')->applyUpdates();

init90

<?php

use Drupal\Core\Database\Database;
use Drupal\group_revision\GroupRevisionTrait;

/**
 * Implements hook_install().
 */
function group_revision_install() {
  // Update entity fields.

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  public static function getMonthInterval($date) {
    $month_interval = [];

    // Get start month date.
    $date_obj = new \DateTime($date);
    $date_obj->modify('first day of this month');
    $month_interval['start'] = $date_obj->getTimestamp();

    // Get end month date.
    $date_obj->modify('last day of this month');

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$entity_update_manager = \Drupal::entityDefinitionUpdateManager();
$entity_type = $entity_update_manager->getEntityType('bs_mail_logger');
$entity_update_manager->uninstallEntityType($entity_type);

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    $output['#attached']['library'][] = 'core/drupal.dialog.ajax';