trait ServiceIdHashTrait

trait ServiceIdHashTrait {
    
    /**
     * Implements \Drupal\Component\DependencyInjection\ContainerInterface::getServiceIdMappings()
     */
    public function getServiceIdMappings() : array {
        @trigger_error(__METHOD__ . "() is deprecated in drupal:9.5.1 and is removed from drupal:11.0.0. Use the 'Drupal\\Component\\DependencyInjection\\ReverseContainer' service instead. See https://www.drupal.org/node/3327942", E_USER_DEPRECATED);
        $mapping = [];
        foreach ($this->getServiceIds() as $service_id) {
            if ($this->initialized($service_id) && $service_id !== 'service_container') {
                $service = $this->get($service_id);
                if (is_object($service)) {
                    $mapping[$this->generateServiceIdHash($service)] = $service_id;
                }
            }
        }
        return $mapping;
    }
    
    /**
     * Implements \Drupal\Component\DependencyInjection\ContainerInterface::generateServiceIdHash()
     */
    public function generateServiceIdHash(object $object) : string {
        @trigger_error(__METHOD__ . "() is deprecated in drupal:9.5.1 and is removed from drupal:11.0.0. Use the 'Drupal\\Component\\DependencyInjection\\ReverseContainer' service instead. See https://www.drupal.org/node/3327942", E_USER_DEPRECATED);
        // Include class name as an additional namespace for the hash since
        // spl_object_hash's return can be recycled. This still is not a 100%
        // guarantee to be unique but makes collisions incredibly difficult and even
        // then the interface would be preserved.
        // @see https://php.net/spl_object_hash#refsect1-function.spl-object-hash-notes
        return hash('sha256', get_class($object) . spl_object_hash($object));
    }

}