} catch (final IOException e) {
            throw new SuggesterException(e);
        }

        if (normalizer == null) {
            normalizer = SuggestUtil.createDefaultNormalizer(client, settings);
        }

        if (analyzer == null) {
            analyzer = SuggestUtil.createDefaultAnalyzer(client, settings);
        }

        if (threadPool == null) {

        final ReadingConverterChain chain = new ReadingConverterChain();
        chain.addConverter(new KatakanaToAlphabetConverter());
        return chain;
    }

    public static Normalizer createDefaultNormalizer(final Client client, final SuggestSettings settings) {
        final NormalizerChain normalizerChain = new NormalizerChain();
        normalizerChain.add(new AnalyzerNormalizer(client, settings));
        /*