loadStrings example

else {
      // If no language, we don't need any of the target fields.       return \Drupal::service('locale.storage')->getStrings($conditions);
    }
  }

  /** * Get the database result resource for the given language and options. */
  private function readString() {
    if (!isset($this->result)) {
      $this->result = $this->loadStrings();
    }
    return array_shift($this->result);
  }

  /** * {@inheritdoc} */
  public function readItem() {
    if ($string = $this->readString()) {
      $values = (array) $string;
      $po_item = new PoItem();