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))

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

    @Test
    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" })));

    /**
     * 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";

						key="labels.advance_search_not_queries"
					/></label>
				<div class="col-lg-5 col-md-8 col-sm-7 col-6">
					<input class="form-control" type="text" id="as_nq" name="as.nq" value="${f:h(fe:join(as.nq))}">
				</div>
			</div>
			<div class="mb-3 row">
				<label for="numSearchOption" class="col-lg-3 col-md-4 col-sm-5 col-12 col-form-label"><la:message
						key="labels.index_num"
					/></label>

    /** 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. */

						key="labels.advance_search_not_queries"
					/></label>
				<div class="col-lg-5 col-md-8 col-sm-7 col-6">
					<input class="form-control" type="text" id="as_nq" name="as.nq" value="${f:h(fe:join(as.nq))}">
				</div>
			</div>
			<div class="mb-3 row">
				<label for="numSearchOption" class="col-lg-3 col-md-4 col-sm-5 col-12 col-form-label"><la:message
						key="labels.index_num"
					/></label>