public List<Map<String, String>> asMaps() {
        return asMaps(String.class, String.class);
    }
@Test
    void asMaps_returns_maps_of_raw() {
        DataTable table = createSimpleNumberTable();
        Map<String, String> expected = new HashMap<String, String>() {
            {
                put("1", "2");
                put("100", "1000");
            }
        };
        assertEquals(singletonList(expected), table.asMaps());
    }