* Checks if a value represents an occurrence-based search modifier.
     * Currently supports "allintitle" and "allinurl" modifiers.
     *
     * @param value the value to check
     * @return true if the value is an occurrence modifier, false otherwise
     */
    protected boolean isOccurrence(final String value) {
        return "allintitle".equals(value) || "allinurl".equals(value);
    }

    /**

    }

    @Test
    public void test_conditions_occurrence() {
        final String k = "occt";
        assertEquals("allintitle:", getAsQuery(Collections.singletonMap(k, new String[] { "allintitle" })));
        assertEquals("allinurl:", getAsQuery(Collections.singletonMap(k, new String[] { "allinurl" })));

    }

    // Test constructor with allintitle prefix
    @Test
    public void test_constructor_allintitlePrefix() {
        queryContext = new QueryContext("allintitle:test query", false);
        assertEquals("test query", queryContext.getQueryString());
        assertEquals("title", queryContext.getDefaultField());
    }

    // Test constructor with allintitle prefix and empty remainder
    @Test

					<select id="as_occt" name="as.occt" class="form-control">
						<option value=""><la:message key="labels.advance_search_occt_default" /></option>
						<option value="allintitle" <c:if test="${as.occt.contains('allintitle')}">selected</c:if>><la:message
								key="labels.advance_search_occt_allintitle"
							/></option>
						<option value="allinurl" <c:if test="${as.occt.contains('allinurl')}">selected</c:if>><la:message

					<select id="as_occt" name="as.occt" class="form-control">
						<option value=""><la:message key="labels.advance_search_occt_default" /></option>
						<option value="allintitle" <c:if test="${as.occt.contains('allintitle')}">selected</c:if>><la:message
								key="labels.advance_search_occt_allintitle"
							/></option>
						<option value="allinurl" <c:if test="${as.occt.contains('allinurl')}">selected</c:if>><la:message