final protected static function readEntry(array $indices, string $locale = null, bool $fallback = true)
    {
        if (null === self::$entryReader) {
            self::$entryReader = new BundleEntryReader(new BufferedBundleReader(
                new JsonBundleReader(),
                Intl::BUFFER_SIZE
            ));

            $localeAliases = self::$entryReader->readEntry(Intl::getDataDirectory().'/'.Intl::LOCALE_DIR, 'meta', ['Aliases']);
            self::$entryReader->setLocaleAliases($localeAliases instanceof \Traversable ? iterator_to_array($localeAliases) : $localeAliases);
        }

        return self::$entryReader->readEntry(static::getPath(), $locale ?? \Locale::getDefault(), $indices, $fallback);
    }