mb.Tag == 1.000000)) 
            {
              var nb = N(mb).Items[0.000000];
              var ob = N(mb).Items[1.000000];
              ib.acc = {Tag: 1.000000, Value: ob};
              ib.current = nb;
              return true;
            }
            else
            {
              ib.acc = {Tag: 0.000000};
              ib.current = null;
              return false;
            };
          });
          return (O(ib.acc) && (function ()
          {
            var kb;
            return jb(kb