@Override
public Map<String, Object> createArrayItemModel(String arrayKey) throws KeyNotContainsException {
HashMap<String, Object> model = new HashMap<String, Object>();
LoopNode node = loopNodes.get(arrayKey);
if (node == null) throw new KeyNotContainsException("arrayKey: " + arrayKey);
for (String nodeExpression : node.getExpressions()) {
String[] keys = nodeExpression.split("\\.");
if (!node.getItemName().equals(keys[0])) continue; // Loop Items
if (keys.length == 1) {
model.put("toString", NULL_VALUE);