Defines the entity query for configuration entities. Hierarchy class \Drupal\Core\Entity\Query\

public Query::execute() Execute the

public Condition::exists($field, $langcode

public QueryFactory::__construct(ConfigFactoryInterface

Information about the entity type. Type:

public Condition::notExists($field, $langcode

protected QueryFactory::getKeys(Config $config, $key, $get_method

Provides a factory for creating entity query objects for the config backend. Hierarchy class

Defines the condition class for the config entity query. Hierarchy class \Drupal\

The config factory used by the config entity query. Type: \Drupal\Core\Config\ConfigFactoryInterface;