EntityDisplayModeBase::sort

public static EntityDisplayModeBase::sort(ConfigEntityInterface $a, ConfigEntityInterface $b)

public static function sort(ConfigEntityInterface $a, ConfigEntityInterface $b) {
  /** @var \Drupal\Core\Entity\EntityDisplayModeInterface $a */
  /** @var \Drupal\Core\Entity\EntityDisplayModeInterface $b */
  // Sort by the type of entity the view mode is used for.
  $a_type = $a->getTargetType();
  $b_type = $b->getTargetType();
  $type_order = strnatcasecmp($a_type, $b_type);
  return $type_order != 0 ? $type_order : parent::sort($a, $b);
}