}
        }

        item.id = SuggestUtil.createSuggestTextId(item.text);
        item.timestamp = ZonedDateTime.ofInstant(Instant.ofEpochMilli(timestamp), Clock.systemDefaultZone().getZone());
        return item;
    }

    /**
     * Returns the updated source map by merging with existing source.
     * @param existingSource The existing source map.
     * @return The updated source map.

    private boolean discartPunctuation;

    public KuromojiTokenizerFactory(IndexSettings indexSettings, Environment env, String name, Settings settings) {
        super(indexSettings, settings, name);
        mode = getMode(settings);
        userDictionary = getUserDictionary(env, settings);
        discartPunctuation = settings.getAsBoolean("discard_punctuation", true);
        nBestCost = settings.getAsInt(NBEST_COST, -1);