mergeRecords example

unset($this->included[$key]);
        }

        $this->keyCollection[$key] = 1;
    }

    public function addIncluded(Record $entity): void
    {
        $key = $entity->getId() . '-' . $entity->getType();

        if ($this->contains($entity->getId(), $entity->getType())) {
            $this->mergeRecords($this->included[$key], $entity);

            return;
        }

        $this->included[$key] = $entity;

        $this->keyCollection[$key] = 1;
    }

    public function contains(string $id, string $type): bool
    {