    public function setTaxCategory(?TaxCategoryKeyReference $taxCategory): void;

    /**
     * @param ?TaxRate $taxRate
     */
    public function setTaxRate(?TaxRate $taxRate): void;

    /**
     * @param ?ExternalTaxRateDraft $externalTaxRate
     */
    public function setExternalTaxRate(?ExternalTaxRateDraft $externalTaxRate): void;