assertEquals("(aaa OR bbb)", getAsQuery("111", Collections.singletonMap(k, new String[] { "aaa bbb" })));
    }

    public void test_conditions_eq() {
        final String k = "nq";
        assertEquals("", getAsQuery(Collections.singletonMap(k, new String[] { "" })));
        assertEquals("NOT aaa", getAsQuery(Collections.singletonMap(k, new String[] { "aaa" })));

                    final String nq =
                            split(eq, " ").get(s -> s.filter(StringUtil::isNotBlank).map(q -> "NOT " + q).collect(Collectors.joining(" ")));
                    queryBuf.append(' ').append(nq);
                }));
        stream(conditions.get(SearchRequestParams.AS_FILETYPE))

    /**
     * Default constructor.
     */
    protected SearchRequestParams() {
        // Default constructor
    }

    /** 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";

    /** Query parameter name for optional query. */
    public static final String OPTION_QUERY_OQ = "oq";

    /** Query parameter name for negative query. */
    public static final String OPTION_QUERY_NQ = "nq";

    // ============================================================
    // Job and Process Constants
    // ============================================================

    /** Scheduled job identifier. */