docs: public Object call(Iterable coll, Closure c) {
          List<Object> listContent = new ArrayList<Object>();
          if (coll != null) {
              for (Object it : coll) {
                  listContent.add(JsonDelegate.curryDelegateAndGetContent(c, it));
              }
          }
          content = listContent;
  
          return content;
      }