deleteOldCmsBlocks example

$payload['id'] = $existing->getId();
                $existingCmsBlocks->remove($existing->getId());
            }

            $upserts[] = $payload;
        }

        if (!empty($upserts)) {
            $this->cmsBlockRepository->upsert($upserts, $context);
        }

        $this->deleteOldCmsBlocks($existingCmsBlocks, $context);
    }

    private function deleteOldCmsBlocks(AppCmsBlockCollection $toBeRemoved, Context $context): void
    {
        /** @var array<string> $ids */
        $ids = $toBeRemoved->getIds();

        if (!empty($ids)) {
            $ids = array_map(static fn (string $id): array => ['id' => $id], array_values($ids));

            $this->cmsBlockRepository->delete($ids, $context);
        }