parentBuild example

$this->name = $productNumber;
        $this->tax($taxKey);
    }

    /** * @return array<mixed> */
    public function build(): array
    {
        $this->fixPricesQuantity();

        return $this->parentBuild();
    }

    public function parent(string $key): self
    {
        $this->parentId = $this->ids->get($key);

        return $this;
    }

    public function name(?string $name): self
    {