Issue #3219111: clean code - phpstan

   * This field is required and its name is defined in 'real field'.

   */

  public function getValueOptions(): array {

    if ($this->valueOptions !== NULL) {

    if (!isset($this->valueOptions)) {

      $field_name = $this->configuration['real field'];

      $formatter_settings = $this->view->field[$field_name]->options['settings'] ?? [];

      $this->valueOptions = OfficeHoursStatus::getOptions(NULL, $formatter_settings);