{
ClassicEngineBoot.getInstance().start();
final HashNMap expressionsByGroup = new HashNMap();
final Locale locale = Locale.getDefault();
ElementTypeRegistry registry = ElementTypeRegistry.getInstance();
final ElementMetaData[] elementMetaDatas = registry.getAllElementTypes();
for (int i = 0; i < elementMetaDatas.length; i++)
{
final ElementMetaData metaData = elementMetaDatas[i];
final String grouping = metaData.getGrouping(locale);
expressionsByGroup.add(grouping, metaData);