private QueryParamsDataMap()
  {
  }
@Test
  public void testNumericKeyIndicesWithHoles() throws Exception
  {
    DataMap queryParamDataMap = queryParamsDataMap("ids[4]=1&ids[1]=0&ids[8]=2");
    Object idsObj = queryParamDataMap.get("ids");
    Assert.assertTrue(idsObj instanceof DataList);
    DataList ids = (DataList) idsObj;
    Assert.assertEquals(ids.get(0), "0");
    Assert.assertEquals(ids.get(1), "1");
    Assert.assertEquals(ids.get(2), "2");
  }