modules/custom/d_update/src/Entity/Update.php
public function getChangedTimeAcrossTranslations() {
    $changed = $this->getUntranslated()->getChangedTime();
    foreach ($this->getTranslationLanguages(FALSE) as $language) {
      $translation_changed = $this->getTranslation($language->getId())
        ->getChangedTime();
      $changed = max($translation_changed, $changed);
    }
    return $changed;
  }
public function getChangedTimeAcrossTranslations() {
    $changed = $this->getUntranslated()->getChangedTime();
    foreach ($this->getTranslationLanguages(FALSE) as $language) {
      $translation_changed = $this->getTranslation($language->getId())
        ->getChangedTime();
      $changed = max($translation_changed, $changed);
    }
    return $changed;
  }
{@inheritdoc}