private QueryParamsDataMap()
  {
  }
@Test
  public void testNumericKeyNames() throws Exception {
    String testQS = "ids.1=1&ids.2=2&ids.3=3";

    DataMap queryParamDataMap = queryParamsDataMap(testQS);
    Object idsObj = queryParamDataMap.get("ids");
    Assert.assertTrue(idsObj instanceof DataMap);
    DataMap ids = (DataMap)idsObj;
    Assert.assertEquals(ids.get("1"), "1");
    Assert.assertEquals(ids.get("2"), "2");
    Assert.assertEquals(ids.get("3"), "3");
  }