getChildrenIds example

$this->stockStorage->index(array_values($stocks), $event->getContext());
            } else {
                $this->stockUpdater->update(array_values($stocks), $event->getContext());
            }
        });

        $message = new ProductIndexingMessage(array_values($updates), null, $event->getContext());
        $message->addSkip(self::INHERITANCE_UPDATER, self::STOCK_UPDATER);

        $delayed = \array_unique(\array_filter(\array_merge(
            $this->getParentIds($updates),
            $this->getChildrenIds($updates)
        )));

        foreach (\array_chunk($delayed, 50) as $chunk) {
            $child = new ProductIndexingMessage($chunk, null, $event->getContext());
            $child->setIndexer($this->getName());
            EntityIndexerRegistry::addSkips($child, $event->getContext());

            $this->messageBus->dispatch($child);
        }

        return $message;
    }