getNextCount example

        return $this->sequenceCount;
    }

    public function getKey(): string
    {
        return $this->key;
    }

    public function buildGroupPackage(float $value, LineItemFlatCollection $sortedItems, SalesChannelContext $context): LineItemGroup
    {
        $this->sequenceCount = $this->sequenceSupervisor->getNextCount();

        $group = new LineItemGroup();

        foreach ($sortedItems as $item) {
            $group->addItem($item->getId(), $item->getQuantity());
        }

        return $group;
    }
}

        return $this->sequenceCount;
    }

    public function getKey(): string
    {
        return $this->key;
    }

    public function sort(LineItemFlatCollection $items): LineItemFlatCollection
    {
        $this->sequenceCount = $this->sequenceSupervisor->getNextCount();

        return $items;
    }
}

public function __construct(private readonly FakeSequenceSupervisor $sequenceSupervisor)
    {
    }

    public function getSequenceCount(): int
    {
        return $this->sequenceCount;
    }

    public function getMatchingItems(LineItemGroupDefinition $groupDefinition, LineItemFlatCollection $items, SalesChannelContext $context): LineItemFlatCollection
    {
        $this->sequenceCount = $this->sequenceSupervisor->getNextCount();

        return $items;
    }
}