public function getVoidedAmount()
    {
        $return = 0.0;

        if (0 < $this->voidedAmount) {
            //void action is only logged when executed via shop admin
            $return = $this->voidedAmount;
        } elseif (0 < $this->voidedAuthAmount) {
            //no data from void actions means we might have a voided Authorization
            $return = $this->voidedAuthAmount - $this->capturedAmount;
        }

        return $return;
    }