}

    /** The parameter for negative query. */
    public static final String AS_NQ = "nq";

    /** The parameter for OR query. */
    public static final String AS_OQ = "oq";

    /** The parameter for exact phrase query. */
    public static final String AS_EPQ = "epq";

    /** The parameter for query. */
    public static final String AS_Q = "q";

    /** The parameter for filetype. */

        // Test with OR query
        testParams.conditions.put(SearchRequestParams.AS_OQ, new String[] { "option1 option2" });
        assertTrue(searchRequestParams.hasConditionQuery());
    }

    public void test_hasConditionQuery_withNegativeQuery() {
        // Test with negative query
        testParams.conditions.put(SearchRequestParams.AS_NQ, new String[] { "exclude this" });
        assertTrue(searchRequestParams.hasConditionQuery());

                        .ifPresent(q -> {
                            appendQuery(queryBuf, q);
                        })));
        stream(conditions.get(SearchRequestParams.AS_NQ))
                .of(stream -> stream.filter(q -> StringUtil.isNotBlank(q) && q.length() <= maxQueryLength).forEach(eq -> {
                    final String nq =