ensureAllLocalesAreCreated example

    public function write(TranslatorBagInterface $translatorBag): void
    {
        $defaultCatalogue = $translatorBag->getCatalogue($this->defaultLocale);

        if (!$defaultCatalogue) {
            $defaultCatalogue = $translatorBag->getCatalogues()[0];
        }

        $this->ensureAllLocalesAreCreated($translatorBag);
        $existingKeysByDomain = [];

        foreach ($defaultCatalogue->getDomains() as $domain) {
            if (!\array_key_exists($domain, $existingKeysByDomain)) {
                $existingKeysByDomain[$domain] = [];
            }

            $existingKeysByDomain[$domain] += $this->getKeysIds([], $domain);
        }

        $keysToCreate = $createdKeysByDomain = [];