String[] queryStrings = { "title:test", "content:\"quoted value\"", "field:value AND other:value", "field:value OR other:value",
                "field:[1 TO 100]", "field:value*", "field:?value", "field:~value", "field:value^2", "タイトル:テスト", "标题:测试", "제목:테스트" };

        for (String queryString : queryStrings) {
            String encoded = BaseEncoding.base64().encode(queryString.getBytes(StandardCharsets.UTF_8));

                this.queryString = queryString.substring(ALLINURL_FIELD_PREFIX.length());
            } else if (queryString.startsWith(ALLINTITLE_FIELD_PREFIX)) {
                defaultField = ComponentUtil.getFessConfig().getIndexFieldTitle();
                this.queryString = queryString.substring(ALLINTITLE_FIELD_PREFIX.length());
            } else {
                this.queryString = queryString;
            }
        } else {

        private String queryString;
        private String servletPath;
        private String method = "GET";
        private String requestURI = "/";
        private final Map<String, String> headers = new java.util.HashMap<>();

        public void setQueryString(String queryString) {
            this.queryString = queryString;
        }

    private final String fq;

    /**
     * Constructor for QueryLog.
     * @param queryString The query string.
     * @param filterQueryString The filter query string (can be null).
     */
    public QueryLog(final String queryString, @Nullable final String filterQueryString) {
        q = queryString;
        fq = filterQueryString;
    }

    /**
     * Returns the query string.

    protected Map<String, String[]> getParameterMapFromQueryString(final HttpServletRequest request, final String enc) throws IOException {
        final String queryString = request.getQueryString();
        if (StringUtil.isNotBlank(queryString)) {
            return parseQueryString(queryString, enc);
        }
        return Collections.emptyMap();
    }

    /**
     * Parses a query string and extracts parameter name-value pairs.

        final String urlField = fessConfig.getIndexFieldUrl();
        final String queryString = "*" + text + "*";
        context.addFieldLog(urlField, queryString);
        context.addHighlightedQuery(text);
        return QueryBuilders.wildcardQuery(urlField, queryString).boost(boost);
    }

    /**
     * Converts a term query ending with asterisk to a prefix query.
     *

        purgeDocJob.execute();

        // Verify the query can be converted to string (for logging)
        assertNotNull(deleteQuery);
        String queryString = deleteQuery.toString();
        assertNotNull(queryString);
        assertTrue(queryString.contains("expires"));
    }

    public void test_execute_withIOException() {
        // Create mock SearchEngineClient that throws IOException wrapped in RuntimeException

        final String queryString = queryLog.getQueryString();
        final String filterQueryString = queryLog.getFilterQueryString();

        final List<String> tagList = new ArrayList<>();
        for (final String tagFieldName : tagFieldNames) {
            tagList.addAll(Arrays.asList(SuggestUtil.parseQuery(queryString, tagFieldName)));
            if (filterQueryString != null) {

    }

    /**
     * Deletes suggest items by a query string.
     * @param queryString The query string.
     * @return The SuggestDeleteResponse.
     */
    public SuggestDeleteResponse deleteByQuery(final String queryString) {
        return deleteByQuery(QueryBuilders.queryStringQuery(queryString).defaultOperator(Operator.AND));
    }

    /**
     * Deletes suggest items by a query builder.

    }

    protected static void deleteDocuments(final String queryString) {
        List<String> docIds = new ArrayList<>();
        Response response = given().contentType("application/json")
                .param("scroll", "1m")
                .param("q", queryString)
                .get(getEsUrl() + "/" + DOC_INDEX_NAME + "/_search");