assertFalse(searchRequestParams.isEmptyArray(new String[] { "", "value", "  " }));
    }

    // Test for simplifyArray static method
    public void test_simplifyArray_withDuplicates() {
        String[] input = { "a", "b", "a", "c", "b" };
        String[] result = SearchRequestParams.simplifyArray(input);
        assertEquals(3, result.length);
        assertEquals("a", result[0]);
        assertEquals("b", result[1]);