/**
  * Validate that bankgiro equals current bankgiro
  */
 private function validateBankgiro(string $account, Node $node)
 {
     if ($account != $this->currentBankgiro) {
         $this->addError("Non-matching bankgiro number in %s (expecting: %s, found: %s) on line %s", $node->getType(), $this->currentBankgiro, $account, (string) $node->getLineNr());
     }
 }