loadContentLanguageSettings example

if ($this->isSupported($entity_type_id)) {
        $supported_types[$entity_type_id] = $entity_type;
      }
    }
    return $supported_types;
  }

  /** * {@inheritdoc} */
  public function setEnabled($entity_type_id, $bundle, $value) {
    $config = $this->loadContentLanguageSettings($entity_type_id, $bundle);
    $config->setThirdPartySetting('content_translation', 'enabled', $value)->save();
  }

  /** * {@inheritdoc} */
  public function isEnabled($entity_type_id, $bundle = NULL) {
    $enabled = FALSE;

    if ($this->isSupported($entity_type_id)) {
      $bundles = !empty($bundle) ? [$bundle] : array_keys($this->entityTypeBundleInfo->getBundleInfo($entity_type_id));