public function getClassProperties()
    {
        return [
            'price' => $this->getPrice(),
            'pseudoPrice' => $this->getPseudoPrice(),
            'customerGroupIdentifier' => $this->getCustomerGroupIdentifier(),
            'fromAmount' => $this->getFromAmount(),
            'toAmount' => $this->getToAmount(),
        ];
    }
public function getClassProperties()
    {
        return [
            'price' => $this->getPrice(),
            'pseudoPrice' => $this->getPseudoPrice(),
            'customerGroupIdentifier' => $this->getCustomerGroupIdentifier(),
            'fromAmount' => $this->getFromAmount(),
            'toAmount' => $this->getToAmount(),
        ];
    }
{@inheritdoc}