return this;
    }

    public SuggestIndexer setTagFieldNames(final String[] tagFieldNames) {
        this.tagFieldNames = tagFieldNames;
        return this;
    }

    public SuggestIndexer setRoleFieldName(final String roleFieldName) {
        this.roleFieldName = roleFieldName;
        return this;
    }

    public SuggestIndexer setReadingConverter(final ReadingConverter readingConverter) {