public function postSave(EntityStorageInterface $storage, $update = TRUE) {
if (!$update || $this->icon_uuid != $this->original->icon_uuid) {
// Update the file usage for the icon file.
$new_icon_file = $this->icon_uuid ? $this
->getFileByUuid($this->icon_uuid) : FALSE;
// Update the file usage of the old icon as well if the icon was changed.
$old_icon_file = $update && $this->original->icon_uuid ? $this
->getFileByUuid($this->original->icon_uuid) : FALSE;
$this
->updateFileIconUsage($new_icon_file, $old_icon_file);
}
parent::postSave($storage, $update);
}