code: public Table<Entity<T>> getOrCreateTable()
     {
        Node node = childNode.getOrCreate("table");
        Table<Entity<T>> table = new TableImpl<Entity<T>>(this, "table", childNode, node);
        return table;
     }
docs: If not already created, a new <code>table</code> element with the given value will be created.
  Otherwise, the existing <code>table</code> element will be returned.
  @return  a new or existing instance of <code>Table<Entity<T>></code>