public static DataList convertList(List<?> input)
  {
    return convertList(input, false, false);
  }
@Test
  void testConvertListWithoutRetainingNull()
  {
    List<String> listWithNull = Arrays.asList("element1", null, "element2");
    DataList dataList = DataComplexUtil.convertList(listWithNull);

    Assert.assertNotNull(dataList);
    Assert.assertEquals(dataList.size(), 2);
    Assert.assertEquals(dataList.get(0), "element1");
    Assert.assertEquals(dataList.get(1), "element2");
  }