Instantiates an entity query for a given entity type.
string $entity_type: The entity type for the query.
string $conjunction: The operator to use to combine conditions: 'AND' or 'OR'.
\Drupal\Core\Entity\EntityManager $entity_manager: The entity manager that handles the entity type.
\Drupal\Core\Config\Entity\Query\Query An entity query for a specific configuration entity type.
public function get($entity_type, $conjunction, EntityManager $entity_manager) {
return new Query($entity_type, $conjunction, $entity_manager, $this->configStorage);
}