Souke/domain/Config/TaxRate/TaxRateBuilder.php

<?php

namespace domain\Config\TaxRate;

use domain\_\AbstractBuilder;

class TaxRateBuilder extends AbstractBuilder
{
    public function instanciateTaxRate(): TaxRate
    {
        $taxRate = new TaxRate();

        return $taxRate;
    }

    public function createTaxRate(): TaxRate
    {
        $taxRate = $this->instanciateTaxRate();

        $this->saveCreate($taxRate);

        return $taxRate;
    }
}