*/
    public String getIndex() {
        return index;
    }

    /**
     * Returns the supported fields.
     * @return The supported fields.
     */
    public String[] getSupportedFields() {
        return supportedFields;
    }

    /**
     * Returns the tag field names.
     * @return The tag field names.
     */
    public String[] getTagFieldNames() {
        return tagFieldNames;

                stream = stream.parallel();
            }
            final SuggestItem[] array =
                    stream.flatMap(queryLog -> contentsParser
                            .parseQueryLog(queryLog, ctx.getSupportedFields(), ctx.getTagFieldNames(), ctx.getRoleFieldName(),
                                    readingConverter, normalizer)
                            .stream()).toArray(SuggestItem[]::new);