nerdfisch: DevBits

$entity_type_id = 'node';
$definition = \Drupal::entityTypeManager()->getDefinition($entity_type_id);
$id_key = $definition->getKey('id');

// web/modules/contrib/eca/src/Entity/Eca.php (simplified excerpt)

protected function isValidationDisabled(): bool {
  return $this->request()->query->get('eca_validation', '') === 'off';
}

public function getPluginCollections(): array {
  if ($this->isValidationDisabled()) {
    return [];
  }
  // Otherwise every referenced event/condition/action plugin is
  // instantiated here, throwing PluginNotFoundException if one
  // of them no longer exists.
  ...
}

# Delete URL — load this directly, don't click through from a listing page
/admin/config/workflow/eca/{eca_id}/delete?eca_validation=off

drush core:requirements

<?php

include('web/sites/default/settings.php');

$dbHostName = $databases['default']['default']['host'];
$dataBaseName = $databases['default']['default']['database'];
$dbUserName = $databases['default']['default']['username'];
$dbPassword = $databases['default']['default']['password'];
$dbPort = $databases['default']['default']['port'];

$pdo = new PDO('mysql:host='.$dbHostName.';port='.$dbPort.';dbname='.$dataBaseName.'', $dbUserName, $dbPassword, array(
  // PDO::MYSQL_ATTR_SSL_CA    =>'ca.cert',
  PDO::MYSQL_ATTR_SSL_VERIFY_SERVER_CERT => TRUE
  )
);

$query = $pdo->query('SHOW TABLES;');
print_r($query->fetchAll());

return $pdo;

$form['nodes'] = [
    '#title' => $this->t('Select articles'),
    '#type' => 'entity_autocomplete',
    '#target_type' => 'node',
    '#tags' => TRUE,
    '#selection_handler' => 'default',
    '#selection_settings' => ['target_bundles' => ['article']],
    '#default_value' => $default_nodes,
];

$form['nodes'] = [
    '#title' => $this->t('Select articles'),
    '#type' => 'entity_autocomplete',
    '#target_type' => 'node',
    '#maxlength' => 1024,
    '#tags' => TRUE,
    '#selection_handler' => 'default',
    '#selection_settings' => ['target_bundles' => ['article']],
    '#default_value' => $default_nodes,
];