TabularData tabularData = assertCast(TabularData.class, converter.fromModelNode(node));
Assert.assertEquals(2, tabularData.size());
Assert.assertEquals(Long.valueOf(1), tabularData.get(new Object[] {"one"}).get("value"));
Assert.assertEquals(Long.valueOf(2), tabularData.get(new Object[] {"two"}).get("value"));
Assert.assertEquals(node, converter.toModelNode(tabularData));
//Allow plain map as well? Yeah why not!
Map<String, Long> map = new HashMap<String, Long>();
map.put("one", 1L);
map.put("two", 2L);